Home / 71,204.65-98,263.05-39,375.70

Finding the Fourth Proportional to 71,204.65, 98,263.05 and 39,375.70

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Solution

The fourth proportional to 71,204.65, 98,263.05 and 39,375.70 is: 54,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,204.65 : 98,263.05 = 39,375.70 : x
  2. Step 2: Convert to fraction form
    71,204.65/98,263.05 = 39,375.70/x
  3. Step 3: Cross multiply
    71,204.65x = 98,263.05 × 39,375.70
  4. Step 4: Simplify right side
    71,204.65x = 3,869,176,377.89
  5. Step 5: Solve for x
    x = 3,869,176,377.89/71,204.65
  6. Step 6: Final answer
    x = 54,338.82

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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.