Home / 87,685.65-131,563.22-45,592.28

Finding the Fourth Proportional to 87,685.65, 131,563.22 and 45,592.28

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Solution

The fourth proportional to 87,685.65, 131,563.22 and 45,592.28 is: 68,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,685.65 : 131,563.22 = 45,592.28 : x
  2. Step 2: Convert to fraction form
    87,685.65/131,563.22 = 45,592.28/x
  3. Step 3: Cross multiply
    87,685.65x = 131,563.22 × 45,592.28
  4. Step 4: Simplify right side
    87,685.65x = 5,998,266,278.16
  5. Step 5: Solve for x
    x = 5,998,266,278.16/87,685.65
  6. Step 6: Final answer
    x = 68,406.48

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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.