Home / 76,287.72-114,326.28-55,058.52

Finding the Fourth Proportional to 76,287.72, 114,326.28 and 55,058.52

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Solution

The fourth proportional to 76,287.72, 114,326.28 and 55,058.52 is: 82,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,287.72 : 114,326.28 = 55,058.52 : x
  2. Step 2: Convert to fraction form
    76,287.72/114,326.28 = 55,058.52/x
  3. Step 3: Cross multiply
    76,287.72x = 114,326.28 × 55,058.52
  4. Step 4: Simplify right side
    76,287.72x = 6,294,635,773.91
  5. Step 5: Solve for x
    x = 6,294,635,773.91/76,287.72
  6. Step 6: Final answer
    x = 82,511.78

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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.