Home / 80,352.60-120,529.10-24,192.87

Finding the Fourth Proportional to 80,352.60, 120,529.10 and 24,192.87

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Solution

The fourth proportional to 80,352.60, 120,529.10 and 24,192.87 is: 36,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,352.60 : 120,529.10 = 24,192.87 : x
  2. Step 2: Convert to fraction form
    80,352.60/120,529.10 = 24,192.87/x
  3. Step 3: Cross multiply
    80,352.60x = 120,529.10 × 24,192.87
  4. Step 4: Simplify right side
    80,352.60x = 2,915,944,847.52
  5. Step 5: Solve for x
    x = 2,915,944,847.52/80,352.60
  6. Step 6: Final answer
    x = 36,289.37

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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.