Home / 81,344.20-122,068.14-34,597

Finding the Fourth Proportional to 81,344.20, 122,068.14 and 34,597

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Solution

The fourth proportional to 81,344.20, 122,068.14 and 34,597 is: 51,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,344.20 : 122,068.14 = 34,597 : x
  2. Step 2: Convert to fraction form
    81,344.20/122,068.14 = 34,597/x
  3. Step 3: Cross multiply
    81,344.20x = 122,068.14 × 34,597
  4. Step 4: Simplify right side
    81,344.20x = 4,223,191,439.58
  5. Step 5: Solve for x
    x = 4,223,191,439.58/81,344.20
  6. Step 6: Final answer
    x = 51,917.55

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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.