Home / 71,204.79-98,260.66-39,372.60

Finding the Fourth Proportional to 71,204.79, 98,260.66 and 39,372.60

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Solution

The fourth proportional to 71,204.79, 98,260.66 and 39,372.60 is: 54,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,204.79 : 98,260.66 = 39,372.60 : x
  2. Step 2: Convert to fraction form
    71,204.79/98,260.66 = 39,372.60/x
  3. Step 3: Cross multiply
    71,204.79x = 98,260.66 × 39,372.60
  4. Step 4: Simplify right side
    71,204.79x = 3,868,777,170.61
  5. Step 5: Solve for x
    x = 3,868,777,170.61/71,204.79
  6. Step 6: Final answer
    x = 54,333.11

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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.