Home / 66,423.76-99,616.20-54,707.92

Finding the Fourth Proportional to 66,423.76, 99,616.20 and 54,707.92

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Solution

The fourth proportional to 66,423.76, 99,616.20 and 54,707.92 is: 82,045.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.76 : 99,616.20 = 54,707.92 : x
  2. Step 2: Convert to fraction form
    66,423.76/99,616.20 = 54,707.92/x
  3. Step 3: Cross multiply
    66,423.76x = 99,616.20 × 54,707.92
  4. Step 4: Simplify right side
    66,423.76x = 5,449,795,100.30
  5. Step 5: Solve for x
    x = 5,449,795,100.30/66,423.76
  6. Step 6: Final answer
    x = 82,045.87

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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.