Home / 57,276.62-78,862.10-52,027.82

Finding the Fourth Proportional to 57,276.62, 78,862.10 and 52,027.82

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Solution

The fourth proportional to 57,276.62, 78,862.10 and 52,027.82 is: 71,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.62 : 78,862.10 = 52,027.82 : x
  2. Step 2: Convert to fraction form
    57,276.62/78,862.10 = 52,027.82/x
  3. Step 3: Cross multiply
    57,276.62x = 78,862.10 × 52,027.82
  4. Step 4: Simplify right side
    57,276.62x = 4,103,023,143.62
  5. Step 5: Solve for x
    x = 4,103,023,143.62/57,276.62
  6. Step 6: Final answer
    x = 71,635.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.