Home / 68,581.32-102,871.26-52,042.95

Finding the Fourth Proportional to 68,581.32, 102,871.26 and 52,042.95

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Solution

The fourth proportional to 68,581.32, 102,871.26 and 52,042.95 is: 78,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,581.32 : 102,871.26 = 52,042.95 : x
  2. Step 2: Convert to fraction form
    68,581.32/102,871.26 = 52,042.95/x
  3. Step 3: Cross multiply
    68,581.32x = 102,871.26 × 52,042.95
  4. Step 4: Simplify right side
    68,581.32x = 5,353,723,840.62
  5. Step 5: Solve for x
    x = 5,353,723,840.62/68,581.32
  6. Step 6: Final answer
    x = 78,063.88

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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.