Home / 129,116.62-193,499.79-62,423.92

Finding the Fourth Proportional to 129,116.62, 193,499.79 and 62,423.92

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Solution

The fourth proportional to 129,116.62, 193,499.79 and 62,423.92 is: 93,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,116.62 : 193,499.79 = 62,423.92 : x
  2. Step 2: Convert to fraction form
    129,116.62/193,499.79 = 62,423.92/x
  3. Step 3: Cross multiply
    129,116.62x = 193,499.79 × 62,423.92
  4. Step 4: Simplify right side
    129,116.62x = 12,079,015,410.98
  5. Step 5: Solve for x
    x = 12,079,015,410.98/129,116.62
  6. Step 6: Final answer
    x = 93,551.21

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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.