Home / 69,531.39-104,311.61-22,780.59

Finding the Fourth Proportional to 69,531.39, 104,311.61 and 22,780.59

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Solution

The fourth proportional to 69,531.39, 104,311.61 and 22,780.59 is: 34,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,531.39 : 104,311.61 = 22,780.59 : x
  2. Step 2: Convert to fraction form
    69,531.39/104,311.61 = 22,780.59/x
  3. Step 3: Cross multiply
    69,531.39x = 104,311.61 × 22,780.59
  4. Step 4: Simplify right side
    69,531.39x = 2,376,279,905.75
  5. Step 5: Solve for x
    x = 2,376,279,905.75/69,531.39
  6. Step 6: Final answer
    x = 34,175.64

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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.