Home / 79,691.56-119,557.50-57,228.04

Finding the Fourth Proportional to 79,691.56, 119,557.50 and 57,228.04

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Solution

The fourth proportional to 79,691.56, 119,557.50 and 57,228.04 is: 85,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,691.56 : 119,557.50 = 57,228.04 : x
  2. Step 2: Convert to fraction form
    79,691.56/119,557.50 = 57,228.04/x
  3. Step 3: Cross multiply
    79,691.56x = 119,557.50 × 57,228.04
  4. Step 4: Simplify right side
    79,691.56x = 6,842,041,392.30
  5. Step 5: Solve for x
    x = 6,842,041,392.30/79,691.56
  6. Step 6: Final answer
    x = 85,856.54

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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.