Home / 88,761.28-122,434.32-67,493.92

Finding the Fourth Proportional to 88,761.28, 122,434.32 and 67,493.92

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Solution

The fourth proportional to 88,761.28, 122,434.32 and 67,493.92 is: 93,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,761.28 : 122,434.32 = 67,493.92 : x
  2. Step 2: Convert to fraction form
    88,761.28/122,434.32 = 67,493.92/x
  3. Step 3: Cross multiply
    88,761.28x = 122,434.32 × 67,493.92
  4. Step 4: Simplify right side
    88,761.28x = 8,263,572,199.33
  5. Step 5: Solve for x
    x = 8,263,572,199.33/88,761.28
  6. Step 6: Final answer
    x = 93,098.84

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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.