Home / 125,734.68-173,515.97-72,024.39

Finding the Fourth Proportional to 125,734.68, 173,515.97 and 72,024.39

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Solution

The fourth proportional to 125,734.68, 173,515.97 and 72,024.39 is: 99,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,734.68 : 173,515.97 = 72,024.39 : x
  2. Step 2: Convert to fraction form
    125,734.68/173,515.97 = 72,024.39/x
  3. Step 3: Cross multiply
    125,734.68x = 173,515.97 × 72,024.39
  4. Step 4: Simplify right side
    125,734.68x = 12,497,382,074.57
  5. Step 5: Solve for x
    x = 12,497,382,074.57/125,734.68
  6. Step 6: Final answer
    x = 99,394.87

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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.