Home / 87,397.06-131,062.20-31,226.62

Finding the Fourth Proportional to 87,397.06, 131,062.20 and 31,226.62

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Solution

The fourth proportional to 87,397.06, 131,062.20 and 31,226.62 is: 46,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,397.06 : 131,062.20 = 31,226.62 : x
  2. Step 2: Convert to fraction form
    87,397.06/131,062.20 = 31,226.62/x
  3. Step 3: Cross multiply
    87,397.06x = 131,062.20 × 31,226.62
  4. Step 4: Simplify right side
    87,397.06x = 4,092,629,515.76
  5. Step 5: Solve for x
    x = 4,092,629,515.76/87,397.06
  6. Step 6: Final answer
    x = 46,828.00

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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.