Home / 68,532.56-102,565.08-57,451.76

Finding the Fourth Proportional to 68,532.56, 102,565.08 and 57,451.76

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Solution

The fourth proportional to 68,532.56, 102,565.08 and 57,451.76 is: 85,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,532.56 : 102,565.08 = 57,451.76 : x
  2. Step 2: Convert to fraction form
    68,532.56/102,565.08 = 57,451.76/x
  3. Step 3: Cross multiply
    68,532.56x = 102,565.08 × 57,451.76
  4. Step 4: Simplify right side
    68,532.56x = 5,892,544,360.54
  5. Step 5: Solve for x
    x = 5,892,544,360.54/68,532.56
  6. Step 6: Final answer
    x = 85,981.68

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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.