Home / 55,174.52-82,774.68-15,732.20

Finding the Fourth Proportional to 55,174.52, 82,774.68 and 15,732.20

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Solution

The fourth proportional to 55,174.52, 82,774.68 and 15,732.20 is: 23,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,174.52 : 82,774.68 = 15,732.20 : x
  2. Step 2: Convert to fraction form
    55,174.52/82,774.68 = 15,732.20/x
  3. Step 3: Cross multiply
    55,174.52x = 82,774.68 × 15,732.20
  4. Step 4: Simplify right side
    55,174.52x = 1,302,227,820.70
  5. Step 5: Solve for x
    x = 1,302,227,820.70/55,174.52
  6. Step 6: Final answer
    x = 23,601.98

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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.