Home / 87,700.14-131,569.65-40,927.50

Finding the Fourth Proportional to 87,700.14, 131,569.65 and 40,927.50

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Solution

The fourth proportional to 87,700.14, 131,569.65 and 40,927.50 is: 61,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,700.14 : 131,569.65 = 40,927.50 : x
  2. Step 2: Convert to fraction form
    87,700.14/131,569.65 = 40,927.50/x
  3. Step 3: Cross multiply
    87,700.14x = 131,569.65 × 40,927.50
  4. Step 4: Simplify right side
    87,700.14x = 5,384,816,850.38
  5. Step 5: Solve for x
    x = 5,384,816,850.38/87,700.14
  6. Step 6: Final answer
    x = 61,400.32

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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.