Home / 68,434.28-102,687.58-48,572.20

Finding the Fourth Proportional to 68,434.28, 102,687.58 and 48,572.20

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Solution

The fourth proportional to 68,434.28, 102,687.58 and 48,572.20 is: 72,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,434.28 : 102,687.58 = 48,572.20 : x
  2. Step 2: Convert to fraction form
    68,434.28/102,687.58 = 48,572.20/x
  3. Step 3: Cross multiply
    68,434.28x = 102,687.58 × 48,572.20
  4. Step 4: Simplify right side
    68,434.28x = 4,987,761,673.28
  5. Step 5: Solve for x
    x = 4,987,761,673.28/68,434.28
  6. Step 6: Final answer
    x = 72,883.97

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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.