Home / 88,201.38-132,129.83-70,468.93

Finding the Fourth Proportional to 88,201.38, 132,129.83 and 70,468.93

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Solution

The fourth proportional to 88,201.38, 132,129.83 and 70,468.93 is: 105,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,201.38 : 132,129.83 = 70,468.93 : x
  2. Step 2: Convert to fraction form
    88,201.38/132,129.83 = 70,468.93/x
  3. Step 3: Cross multiply
    88,201.38x = 132,129.83 × 70,468.93
  4. Step 4: Simplify right side
    88,201.38x = 9,311,048,082.52
  5. Step 5: Solve for x
    x = 9,311,048,082.52/88,201.38
  6. Step 6: Final answer
    x = 105,565.78

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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.