Home / 88,534.12-122,177.10-48,247.90

Finding the Fourth Proportional to 88,534.12, 122,177.10 and 48,247.90

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Solution

The fourth proportional to 88,534.12, 122,177.10 and 48,247.90 is: 66,582.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,534.12 : 122,177.10 = 48,247.90 : x
  2. Step 2: Convert to fraction form
    88,534.12/122,177.10 = 48,247.90/x
  3. Step 3: Cross multiply
    88,534.12x = 122,177.10 × 48,247.90
  4. Step 4: Simplify right side
    88,534.12x = 5,894,788,503.09
  5. Step 5: Solve for x
    x = 5,894,788,503.09/88,534.12
  6. Step 6: Final answer
    x = 66,582.11

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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.