Home / 88,553.28-122,217.60-54,581.76

Finding the Fourth Proportional to 88,553.28, 122,217.60 and 54,581.76

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Solution

The fourth proportional to 88,553.28, 122,217.60 and 54,581.76 is: 75,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,553.28 : 122,217.60 = 54,581.76 : x
  2. Step 2: Convert to fraction form
    88,553.28/122,217.60 = 54,581.76/x
  3. Step 3: Cross multiply
    88,553.28x = 122,217.60 × 54,581.76
  4. Step 4: Simplify right side
    88,553.28x = 6,670,851,710.98
  5. Step 5: Solve for x
    x = 6,670,851,710.98/88,553.28
  6. Step 6: Final answer
    x = 75,331.50

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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.