Home / 87,357.29-131,065.10-34,752.65

Finding the Fourth Proportional to 87,357.29, 131,065.10 and 34,752.65

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Solution

The fourth proportional to 87,357.29, 131,065.10 and 34,752.65 is: 52,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,357.29 : 131,065.10 = 34,752.65 : x
  2. Step 2: Convert to fraction form
    87,357.29/131,065.10 = 34,752.65/x
  3. Step 3: Cross multiply
    87,357.29x = 131,065.10 × 34,752.65
  4. Step 4: Simplify right side
    87,357.29x = 4,554,859,547.52
  5. Step 5: Solve for x
    x = 4,554,859,547.52/87,357.29
  6. Step 6: Final answer
    x = 52,140.58

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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.