Home / 81,592.32-122,394.33-34,159.68

Finding the Fourth Proportional to 81,592.32, 122,394.33 and 34,159.68

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Solution

The fourth proportional to 81,592.32, 122,394.33 and 34,159.68 is: 51,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,592.32 : 122,394.33 = 34,159.68 : x
  2. Step 2: Convert to fraction form
    81,592.32/122,394.33 = 34,159.68/x
  3. Step 3: Cross multiply
    81,592.32x = 122,394.33 × 34,159.68
  4. Step 4: Simplify right side
    81,592.32x = 4,180,951,146.61
  5. Step 5: Solve for x
    x = 4,180,951,146.61/81,592.32
  6. Step 6: Final answer
    x = 51,241.97

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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.