Home / 67,639.38-101,277.57-55,108.14

Finding the Fourth Proportional to 67,639.38, 101,277.57 and 55,108.14

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Solution

The fourth proportional to 67,639.38, 101,277.57 and 55,108.14 is: 82,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,639.38 : 101,277.57 = 55,108.14 : x
  2. Step 2: Convert to fraction form
    67,639.38/101,277.57 = 55,108.14/x
  3. Step 3: Cross multiply
    67,639.38x = 101,277.57 × 55,108.14
  4. Step 4: Simplify right side
    67,639.38x = 5,581,218,506.42
  5. Step 5: Solve for x
    x = 5,581,218,506.42/67,639.38
  6. Step 6: Final answer
    x = 82,514.34

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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.