Home / 87,605.49-131,471.60-35,029.65

Finding the Fourth Proportional to 87,605.49, 131,471.60 and 35,029.65

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Solution

The fourth proportional to 87,605.49, 131,471.60 and 35,029.65 is: 52,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,605.49 : 131,471.60 = 35,029.65 : x
  2. Step 2: Convert to fraction form
    87,605.49/131,471.60 = 35,029.65/x
  3. Step 3: Cross multiply
    87,605.49x = 131,471.60 × 35,029.65
  4. Step 4: Simplify right side
    87,605.49x = 4,605,403,957.79
  5. Step 5: Solve for x
    x = 4,605,403,957.79/87,605.49
  6. Step 6: Final answer
    x = 52,569.81

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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.