Home / 71,104.45-98,124.75-39,273.88

Finding the Fourth Proportional to 71,104.45, 98,124.75 and 39,273.88

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Solution

The fourth proportional to 71,104.45, 98,124.75 and 39,273.88 is: 54,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,104.45 : 98,124.75 = 39,273.88 : x
  2. Step 2: Convert to fraction form
    71,104.45/98,124.75 = 39,273.88/x
  3. Step 3: Cross multiply
    71,104.45x = 98,124.75 × 39,273.88
  4. Step 4: Simplify right side
    71,104.45x = 3,853,739,656.53
  5. Step 5: Solve for x
    x = 3,853,739,656.53/71,104.45
  6. Step 6: Final answer
    x = 54,198.29

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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.