Home / 88,451.97-132,567.20-69,657.78

Finding the Fourth Proportional to 88,451.97, 132,567.20 and 69,657.78

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Solution

The fourth proportional to 88,451.97, 132,567.20 and 69,657.78 is: 104,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,451.97 : 132,567.20 = 69,657.78 : x
  2. Step 2: Convert to fraction form
    88,451.97/132,567.20 = 69,657.78/x
  3. Step 3: Cross multiply
    88,451.97x = 132,567.20 × 69,657.78
  4. Step 4: Simplify right side
    88,451.97x = 9,234,336,504.53
  5. Step 5: Solve for x
    x = 9,234,336,504.53/88,451.97
  6. Step 6: Final answer
    x = 104,399.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.