Home / 71,286.60-98,407.26-42,616.20

Finding the Fourth Proportional to 71,286.60, 98,407.26 and 42,616.20

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Solution

The fourth proportional to 71,286.60, 98,407.26 and 42,616.20 is: 58,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,286.60 : 98,407.26 = 42,616.20 : x
  2. Step 2: Convert to fraction form
    71,286.60/98,407.26 = 42,616.20/x
  3. Step 3: Cross multiply
    71,286.60x = 98,407.26 × 42,616.20
  4. Step 4: Simplify right side
    71,286.60x = 4,193,743,473.61
  5. Step 5: Solve for x
    x = 4,193,743,473.61/71,286.60
  6. Step 6: Final answer
    x = 58,829.34

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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.