Home / 71,207.76-98,266.26-42,540.42

Finding the Fourth Proportional to 71,207.76, 98,266.26 and 42,540.42

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Solution

The fourth proportional to 71,207.76, 98,266.26 and 42,540.42 is: 58,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,207.76 : 98,266.26 = 42,540.42 : x
  2. Step 2: Convert to fraction form
    71,207.76/98,266.26 = 42,540.42/x
  3. Step 3: Cross multiply
    71,207.76x = 98,266.26 × 42,540.42
  4. Step 4: Simplify right side
    71,207.76x = 4,180,287,972.23
  5. Step 5: Solve for x
    x = 4,180,287,972.23/71,207.76
  6. Step 6: Final answer
    x = 58,705.51

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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.