Home / 87,427.50-120,584.34-60,614.88

Finding the Fourth Proportional to 87,427.50, 120,584.34 and 60,614.88

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Solution

The fourth proportional to 87,427.50, 120,584.34 and 60,614.88 is: 83,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,427.50 : 120,584.34 = 60,614.88 : x
  2. Step 2: Convert to fraction form
    87,427.50/120,584.34 = 60,614.88/x
  3. Step 3: Cross multiply
    87,427.50x = 120,584.34 × 60,614.88
  4. Step 4: Simplify right side
    87,427.50x = 7,309,205,298.98
  5. Step 5: Solve for x
    x = 7,309,205,298.98/87,427.50
  6. Step 6: Final answer
    x = 83,603.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.