Home / 60,306.40-90,385.20-43,723.36

Finding the Fourth Proportional to 60,306.40, 90,385.20 and 43,723.36

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Solution

The fourth proportional to 60,306.40, 90,385.20 and 43,723.36 is: 65,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,306.40 : 90,385.20 = 43,723.36 : x
  2. Step 2: Convert to fraction form
    60,306.40/90,385.20 = 43,723.36/x
  3. Step 3: Cross multiply
    60,306.40x = 90,385.20 × 43,723.36
  4. Step 4: Simplify right side
    60,306.40x = 3,951,944,638.27
  5. Step 5: Solve for x
    x = 3,951,944,638.27/60,306.40
  6. Step 6: Final answer
    x = 65,531.10

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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.