Home / 90,796.86-125,248.46-54,489.02

Finding the Fourth Proportional to 90,796.86, 125,248.46 and 54,489.02

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Solution

The fourth proportional to 90,796.86, 125,248.46 and 54,489.02 is: 75,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,796.86 : 125,248.46 = 54,489.02 : x
  2. Step 2: Convert to fraction form
    90,796.86/125,248.46 = 54,489.02/x
  3. Step 3: Cross multiply
    90,796.86x = 125,248.46 × 54,489.02
  4. Step 4: Simplify right side
    90,796.86x = 6,824,665,841.91
  5. Step 5: Solve for x
    x = 6,824,665,841.91/90,796.86
  6. Step 6: Final answer
    x = 75,164.12

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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.