Home / 88,531.45-122,171.76-48,245.49

Finding the Fourth Proportional to 88,531.45, 122,171.76 and 48,245.49

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Solution

The fourth proportional to 88,531.45, 122,171.76 and 48,245.49 is: 66,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,531.45 : 122,171.76 = 48,245.49 : x
  2. Step 2: Convert to fraction form
    88,531.45/122,171.76 = 48,245.49/x
  3. Step 3: Cross multiply
    88,531.45x = 122,171.76 × 48,245.49
  4. Step 4: Simplify right side
    88,531.45x = 5,894,236,425.36
  5. Step 5: Solve for x
    x = 5,894,236,425.36/88,531.45
  6. Step 6: Final answer
    x = 66,577.88

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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.