Home / 57,423.20-85,891.80-51,542.60

Finding the Fourth Proportional to 57,423.20, 85,891.80 and 51,542.60

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Solution

The fourth proportional to 57,423.20, 85,891.80 and 51,542.60 is: 77,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,423.20 : 85,891.80 = 51,542.60 : x
  2. Step 2: Convert to fraction form
    57,423.20/85,891.80 = 51,542.60/x
  3. Step 3: Cross multiply
    57,423.20x = 85,891.80 × 51,542.60
  4. Step 4: Simplify right side
    57,423.20x = 4,427,086,690.68
  5. Step 5: Solve for x
    x = 4,427,086,690.68/57,423.20
  6. Step 6: Final answer
    x = 77,095.79

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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.