Home / 71,236.88-98,310.48-42,951.68

Finding the Fourth Proportional to 71,236.88, 98,310.48 and 42,951.68

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Solution

The fourth proportional to 71,236.88, 98,310.48 and 42,951.68 is: 59,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,236.88 : 98,310.48 = 42,951.68 : x
  2. Step 2: Convert to fraction form
    71,236.88/98,310.48 = 42,951.68/x
  3. Step 3: Cross multiply
    71,236.88x = 98,310.48 × 42,951.68
  4. Step 4: Simplify right side
    71,236.88x = 4,222,600,277.61
  5. Step 5: Solve for x
    x = 4,222,600,277.61/71,236.88
  6. Step 6: Final answer
    x = 59,275.48

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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.