Home / 78,624.42-117,937.04-22,471.17

Finding the Fourth Proportional to 78,624.42, 117,937.04 and 22,471.17

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Solution

The fourth proportional to 78,624.42, 117,937.04 and 22,471.17 is: 33,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,624.42 : 117,937.04 = 22,471.17 : x
  2. Step 2: Convert to fraction form
    78,624.42/117,937.04 = 22,471.17/x
  3. Step 3: Cross multiply
    78,624.42x = 117,937.04 × 22,471.17
  4. Step 4: Simplify right side
    78,624.42x = 2,650,183,162.78
  5. Step 5: Solve for x
    x = 2,650,183,162.78/78,624.42
  6. Step 6: Final answer
    x = 33,706.87

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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.