Home / 81,591.40-122,332.78-41,624.89

Finding the Fourth Proportional to 81,591.40, 122,332.78 and 41,624.89

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Solution

The fourth proportional to 81,591.40, 122,332.78 and 41,624.89 is: 62,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,591.40 : 122,332.78 = 41,624.89 : x
  2. Step 2: Convert to fraction form
    81,591.40/122,332.78 = 41,624.89/x
  3. Step 3: Cross multiply
    81,591.40x = 122,332.78 × 41,624.89
  4. Step 4: Simplify right side
    81,591.40x = 5,092,088,257.09
  5. Step 5: Solve for x
    x = 5,092,088,257.09/81,591.40
  6. Step 6: Final answer
    x = 62,409.62

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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.