Home / 88,267.72-121,781.46-54,753.16

Finding the Fourth Proportional to 88,267.72, 121,781.46 and 54,753.16

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Solution

The fourth proportional to 88,267.72, 121,781.46 and 54,753.16 is: 75,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,267.72 : 121,781.46 = 54,753.16 : x
  2. Step 2: Convert to fraction form
    88,267.72/121,781.46 = 54,753.16/x
  3. Step 3: Cross multiply
    88,267.72x = 121,781.46 × 54,753.16
  4. Step 4: Simplify right side
    88,267.72x = 6,667,919,764.41
  5. Step 5: Solve for x
    x = 6,667,919,764.41/88,267.72
  6. Step 6: Final answer
    x = 75,542.00

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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.