Home / 87,672.24-131,254.92-51,539.76

Finding the Fourth Proportional to 87,672.24, 131,254.92 and 51,539.76

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Solution

The fourth proportional to 87,672.24, 131,254.92 and 51,539.76 is: 77,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,672.24 : 131,254.92 = 51,539.76 : x
  2. Step 2: Convert to fraction form
    87,672.24/131,254.92 = 51,539.76/x
  3. Step 3: Cross multiply
    87,672.24x = 131,254.92 × 51,539.76
  4. Step 4: Simplify right side
    87,672.24x = 6,764,847,075.62
  5. Step 5: Solve for x
    x = 6,764,847,075.62/87,672.24
  6. Step 6: Final answer
    x = 77,160.65

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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.