Home / 88,884.15-122,672.66-54,449.43

Finding the Fourth Proportional to 88,884.15, 122,672.66 and 54,449.43

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Solution

The fourth proportional to 88,884.15, 122,672.66 and 54,449.43 is: 75,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,884.15 : 122,672.66 = 54,449.43 : x
  2. Step 2: Convert to fraction form
    88,884.15/122,672.66 = 54,449.43/x
  3. Step 3: Cross multiply
    88,884.15x = 122,672.66 × 54,449.43
  4. Step 4: Simplify right side
    88,884.15x = 6,679,456,141.34
  5. Step 5: Solve for x
    x = 6,679,456,141.34/88,884.15
  6. Step 6: Final answer
    x = 75,147.89

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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.