Home / 85,151.20-117,512.28-47,425.44

Finding the Fourth Proportional to 85,151.20, 117,512.28 and 47,425.44

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Solution

The fourth proportional to 85,151.20, 117,512.28 and 47,425.44 is: 65,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,151.20 : 117,512.28 = 47,425.44 : x
  2. Step 2: Convert to fraction form
    85,151.20/117,512.28 = 47,425.44/x
  3. Step 3: Cross multiply
    85,151.20x = 117,512.28 × 47,425.44
  4. Step 4: Simplify right side
    85,151.20x = 5,573,071,584.40
  5. Step 5: Solve for x
    x = 5,573,071,584.40/85,151.20
  6. Step 6: Final answer
    x = 65,449.13

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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.