Home / 125,266.35-172,868.13-67,906.65

Finding the Fourth Proportional to 125,266.35, 172,868.13 and 67,906.65

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Solution

The fourth proportional to 125,266.35, 172,868.13 and 67,906.65 is: 93,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,266.35 : 172,868.13 = 67,906.65 : x
  2. Step 2: Convert to fraction form
    125,266.35/172,868.13 = 67,906.65/x
  3. Step 3: Cross multiply
    125,266.35x = 172,868.13 × 67,906.65
  4. Step 4: Simplify right side
    125,266.35x = 11,738,895,600.06
  5. Step 5: Solve for x
    x = 11,738,895,600.06/125,266.35
  6. Step 6: Final answer
    x = 93,711.48

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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.