Home / 137,049.24-205,677.72-58,218.78

Finding the Fourth Proportional to 137,049.24, 205,677.72 and 58,218.78

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Solution

The fourth proportional to 137,049.24, 205,677.72 and 58,218.78 is: 87,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,049.24 : 205,677.72 = 58,218.78 : x
  2. Step 2: Convert to fraction form
    137,049.24/205,677.72 = 58,218.78/x
  3. Step 3: Cross multiply
    137,049.24x = 205,677.72 × 58,218.78
  4. Step 4: Simplify right side
    137,049.24x = 11,974,305,931.58
  5. Step 5: Solve for x
    x = 11,974,305,931.58/137,049.24
  6. Step 6: Final answer
    x = 87,372.29

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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.