Home / 93,630.86-129,210.57-51,189.38

Finding the Fourth Proportional to 93,630.86, 129,210.57 and 51,189.38

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Solution

The fourth proportional to 93,630.86, 129,210.57 and 51,189.38 is: 70,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,630.86 : 129,210.57 = 51,189.38 : x
  2. Step 2: Convert to fraction form
    93,630.86/129,210.57 = 51,189.38/x
  3. Step 3: Cross multiply
    93,630.86x = 129,210.57 × 51,189.38
  4. Step 4: Simplify right side
    93,630.86x = 6,614,208,321.69
  5. Step 5: Solve for x
    x = 6,614,208,321.69/93,630.86
  6. Step 6: Final answer
    x = 70,641.33

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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.