Home / 80,328.52-120,366.04-29,657.87

Finding the Fourth Proportional to 80,328.52, 120,366.04 and 29,657.87

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Solution

The fourth proportional to 80,328.52, 120,366.04 and 29,657.87 is: 44,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,328.52 : 120,366.04 = 29,657.87 : x
  2. Step 2: Convert to fraction form
    80,328.52/120,366.04 = 29,657.87/x
  3. Step 3: Cross multiply
    80,328.52x = 120,366.04 × 29,657.87
  4. Step 4: Simplify right side
    80,328.52x = 3,569,800,366.73
  5. Step 5: Solve for x
    x = 3,569,800,366.73/80,328.52
  6. Step 6: Final answer
    x = 44,440.01

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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.