Home / 87,925.83-131,810.49-31,753.65

Finding the Fourth Proportional to 87,925.83, 131,810.49 and 31,753.65

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Solution

The fourth proportional to 87,925.83, 131,810.49 and 31,753.65 is: 47,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,925.83 : 131,810.49 = 31,753.65 : x
  2. Step 2: Convert to fraction form
    87,925.83/131,810.49 = 31,753.65/x
  3. Step 3: Cross multiply
    87,925.83x = 131,810.49 × 31,753.65
  4. Step 4: Simplify right side
    87,925.83x = 4,185,463,547.93
  5. Step 5: Solve for x
    x = 4,185,463,547.93/87,925.83
  6. Step 6: Final answer
    x = 47,602.21

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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.