Home / 88,129.72-132,140.58-34,757.20

Finding the Fourth Proportional to 88,129.72, 132,140.58 and 34,757.20

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Solution

The fourth proportional to 88,129.72, 132,140.58 and 34,757.20 is: 52,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129.72 : 132,140.58 = 34,757.20 : x
  2. Step 2: Convert to fraction form
    88,129.72/132,140.58 = 34,757.20/x
  3. Step 3: Cross multiply
    88,129.72x = 132,140.58 × 34,757.20
  4. Step 4: Simplify right side
    88,129.72x = 4,592,836,567.18
  5. Step 5: Solve for x
    x = 4,592,836,567.18/88,129.72
  6. Step 6: Final answer
    x = 52,114.50

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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.