Home / 71,508.22-98,680.08-39,676.57

Finding the Fourth Proportional to 71,508.22, 98,680.08 and 39,676.57

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Solution

The fourth proportional to 71,508.22, 98,680.08 and 39,676.57 is: 54,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,508.22 : 98,680.08 = 39,676.57 : x
  2. Step 2: Convert to fraction form
    71,508.22/98,680.08 = 39,676.57/x
  3. Step 3: Cross multiply
    71,508.22x = 98,680.08 × 39,676.57
  4. Step 4: Simplify right side
    71,508.22x = 3,915,287,101.73
  5. Step 5: Solve for x
    x = 3,915,287,101.73/71,508.22
  6. Step 6: Final answer
    x = 54,752.97

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1.5x scale

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.