Home / 93,561.27-129,114.36-51,120.11

Finding the Fourth Proportional to 93,561.27, 129,114.36 and 51,120.11

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Solution

The fourth proportional to 93,561.27, 129,114.36 and 51,120.11 is: 70,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,561.27 : 129,114.36 = 51,120.11 : x
  2. Step 2: Convert to fraction form
    93,561.27/129,114.36 = 51,120.11/x
  3. Step 3: Cross multiply
    93,561.27x = 129,114.36 × 51,120.11
  4. Step 4: Simplify right side
    93,561.27x = 6,600,339,640.21
  5. Step 5: Solve for x
    x = 6,600,339,640.21/93,561.27
  6. Step 6: Final answer
    x = 70,545.64

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Half scale
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Double scale
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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.