Home / 125,687.88-173,431.23-73,974.24

Finding the Fourth Proportional to 125,687.88, 173,431.23 and 73,974.24

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Solution

The fourth proportional to 125,687.88, 173,431.23 and 73,974.24 is: 102,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687.88 : 173,431.23 = 73,974.24 : x
  2. Step 2: Convert to fraction form
    125,687.88/173,431.23 = 73,974.24/x
  3. Step 3: Cross multiply
    125,687.88x = 173,431.23 × 73,974.24
  4. Step 4: Simplify right side
    125,687.88x = 12,829,443,431.52
  5. Step 5: Solve for x
    x = 12,829,443,431.52/125,687.88
  6. Step 6: Final answer
    x = 102,073.83

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1.5x scale

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.