Home / 96,885.20-133,704.96-54,442.88

Finding the Fourth Proportional to 96,885.20, 133,704.96 and 54,442.88

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Solution

The fourth proportional to 96,885.20, 133,704.96 and 54,442.88 is: 75,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,885.20 : 133,704.96 = 54,442.88 : x
  2. Step 2: Convert to fraction form
    96,885.20/133,704.96 = 54,442.88/x
  3. Step 3: Cross multiply
    96,885.20x = 133,704.96 × 54,442.88
  4. Step 4: Simplify right side
    96,885.20x = 7,279,283,092.68
  5. Step 5: Solve for x
    x = 7,279,283,092.68/96,885.20
  6. Step 6: Final answer
    x = 75,133.08

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1.5x scale

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.