Home / 96,209.28-132,731.19-55,915.83

Finding the Fourth Proportional to 96,209.28, 132,731.19 and 55,915.83

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Solution

The fourth proportional to 96,209.28, 132,731.19 and 55,915.83 is: 77,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,209.28 : 132,731.19 = 55,915.83 : x
  2. Step 2: Convert to fraction form
    96,209.28/132,731.19 = 55,915.83/x
  3. Step 3: Cross multiply
    96,209.28x = 132,731.19 × 55,915.83
  4. Step 4: Simplify right side
    96,209.28x = 7,421,774,655.74
  5. Step 5: Solve for x
    x = 7,421,774,655.74/96,209.28
  6. Step 6: Final answer
    x = 77,141.98

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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.