Home / 71,209.34-98,264.04-39,377.96

Finding the Fourth Proportional to 71,209.34, 98,264.04 and 39,377.96

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Solution

The fourth proportional to 71,209.34, 98,264.04 and 39,377.96 is: 54,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209.34 : 98,264.04 = 39,377.96 : x
  2. Step 2: Convert to fraction form
    71,209.34/98,264.04 = 39,377.96/x
  3. Step 3: Cross multiply
    71,209.34x = 98,264.04 × 39,377.96
  4. Step 4: Simplify right side
    71,209.34x = 3,869,437,436.56
  5. Step 5: Solve for x
    x = 3,869,437,436.56/71,209.34
  6. Step 6: Final answer
    x = 54,338.90

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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.