Home / 87,402.24-131,064.48-66,562.56

Finding the Fourth Proportional to 87,402.24, 131,064.48 and 66,562.56

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Solution

The fourth proportional to 87,402.24, 131,064.48 and 66,562.56 is: 99,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,402.24 : 131,064.48 = 66,562.56 : x
  2. Step 2: Convert to fraction form
    87,402.24/131,064.48 = 66,562.56/x
  3. Step 3: Cross multiply
    87,402.24x = 131,064.48 × 66,562.56
  4. Step 4: Simplify right side
    87,402.24x = 8,723,987,313.87
  5. Step 5: Solve for x
    x = 8,723,987,313.87/87,402.24
  6. Step 6: Final answer
    x = 99,814.23

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1.5x scale

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.