Home / 88,517.76-122,154.48-48,231.49

Finding the Fourth Proportional to 88,517.76, 122,154.48 and 48,231.49

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Solution

The fourth proportional to 88,517.76, 122,154.48 and 48,231.49 is: 66,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,517.76 : 122,154.48 = 48,231.49 : x
  2. Step 2: Convert to fraction form
    88,517.76/122,154.48 = 48,231.49/x
  3. Step 3: Cross multiply
    88,517.76x = 122,154.48 × 48,231.49
  4. Step 4: Simplify right side
    88,517.76x = 5,891,692,197.67
  5. Step 5: Solve for x
    x = 5,891,692,197.67/88,517.76
  6. Step 6: Final answer
    x = 66,559.44

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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.