Home / 88,734.78-132,697.89-66,261.24

Finding the Fourth Proportional to 88,734.78, 132,697.89 and 66,261.24

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Solution

The fourth proportional to 88,734.78, 132,697.89 and 66,261.24 is: 99,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,734.78 : 132,697.89 = 66,261.24 : x
  2. Step 2: Convert to fraction form
    88,734.78/132,697.89 = 66,261.24/x
  3. Step 3: Cross multiply
    88,734.78x = 132,697.89 × 66,261.24
  4. Step 4: Simplify right side
    88,734.78x = 8,792,726,736.78
  5. Step 5: Solve for x
    x = 8,792,726,736.78/88,734.78
  6. Step 6: Final answer
    x = 99,089.97

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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.