Home / 93,696.12-129,298.68-51,253.20

Finding the Fourth Proportional to 93,696.12, 129,298.68 and 51,253.20

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Solution

The fourth proportional to 93,696.12, 129,298.68 and 51,253.20 is: 70,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,696.12 : 129,298.68 = 51,253.20 : x
  2. Step 2: Convert to fraction form
    93,696.12/129,298.68 = 51,253.20/x
  3. Step 3: Cross multiply
    93,696.12x = 129,298.68 × 51,253.20
  4. Step 4: Simplify right side
    93,696.12x = 6,626,971,105.78
  5. Step 5: Solve for x
    x = 6,626,971,105.78/93,696.12
  6. Step 6: Final answer
    x = 70,728.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.