Home / 87,695.29-131,502.03-45,564.05

Finding the Fourth Proportional to 87,695.29, 131,502.03 and 45,564.05

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Solution

The fourth proportional to 87,695.29, 131,502.03 and 45,564.05 is: 68,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,695.29 : 131,502.03 = 45,564.05 : x
  2. Step 2: Convert to fraction form
    87,695.29/131,502.03 = 45,564.05/x
  3. Step 3: Cross multiply
    87,695.29x = 131,502.03 × 45,564.05
  4. Step 4: Simplify right side
    87,695.29x = 5,991,765,070.02
  5. Step 5: Solve for x
    x = 5,991,765,070.02/87,695.29
  6. Step 6: Final answer
    x = 68,324.82

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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.