Home / 89,593.68-134,420.76-39,666.96

Finding the Fourth Proportional to 89,593.68, 134,420.76 and 39,666.96

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Solution

The fourth proportional to 89,593.68, 134,420.76 and 39,666.96 is: 59,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,593.68 : 134,420.76 = 39,666.96 : x
  2. Step 2: Convert to fraction form
    89,593.68/134,420.76 = 39,666.96/x
  3. Step 3: Cross multiply
    89,593.68x = 134,420.76 × 39,666.96
  4. Step 4: Simplify right side
    89,593.68x = 5,332,062,910.09
  5. Step 5: Solve for x
    x = 5,332,062,910.09/89,593.68
  6. Step 6: Final answer
    x = 59,513.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.