Home / 87,432.65-131,134.98-31,262.29

Finding the Fourth Proportional to 87,432.65, 131,134.98 and 31,262.29

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Solution

The fourth proportional to 87,432.65, 131,134.98 and 31,262.29 is: 46,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,432.65 : 131,134.98 = 31,262.29 : x
  2. Step 2: Convert to fraction form
    87,432.65/131,134.98 = 31,262.29/x
  3. Step 3: Cross multiply
    87,432.65x = 131,134.98 × 31,262.29
  4. Step 4: Simplify right side
    87,432.65x = 4,099,579,563.30
  5. Step 5: Solve for x
    x = 4,099,579,563.30/87,432.65
  6. Step 6: Final answer
    x = 46,888.43

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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.