Home / 96,178.38-132,703.42-55,868.20

Finding the Fourth Proportional to 96,178.38, 132,703.42 and 55,868.20

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Solution

The fourth proportional to 96,178.38, 132,703.42 and 55,868.20 is: 77,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,178.38 : 132,703.42 = 55,868.20 : x
  2. Step 2: Convert to fraction form
    96,178.38/132,703.42 = 55,868.20/x
  3. Step 3: Cross multiply
    96,178.38x = 132,703.42 × 55,868.20
  4. Step 4: Simplify right side
    96,178.38x = 7,413,901,209.24
  5. Step 5: Solve for x
    x = 7,413,901,209.24/96,178.38
  6. Step 6: Final answer
    x = 77,084.90

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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.