Home / 71,581.14-98,874.93-54,481.50

Finding the Fourth Proportional to 71,581.14, 98,874.93 and 54,481.50

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Solution

The fourth proportional to 71,581.14, 98,874.93 and 54,481.50 is: 75,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,581.14 : 98,874.93 = 54,481.50 : x
  2. Step 2: Convert to fraction form
    71,581.14/98,874.93 = 54,481.50/x
  3. Step 3: Cross multiply
    71,581.14x = 98,874.93 × 54,481.50
  4. Step 4: Simplify right side
    71,581.14x = 5,386,854,498.80
  5. Step 5: Solve for x
    x = 5,386,854,498.80/71,581.14
  6. Step 6: Final answer
    x = 75,255.22

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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.