Home / 57,539.10-86,195.67-51,269.70

Finding the Fourth Proportional to 57,539.10, 86,195.67 and 51,269.70

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Solution

The fourth proportional to 57,539.10, 86,195.67 and 51,269.70 is: 76,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,539.10 : 86,195.67 = 51,269.70 : x
  2. Step 2: Convert to fraction form
    57,539.10/86,195.67 = 51,269.70/x
  3. Step 3: Cross multiply
    57,539.10x = 86,195.67 × 51,269.70
  4. Step 4: Simplify right side
    57,539.10x = 4,419,226,142.20
  5. Step 5: Solve for x
    x = 4,419,226,142.20/57,539.10
  6. Step 6: Final answer
    x = 76,803.88

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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.