Home / 81,442.34-122,119.10-24,507.95

Finding the Fourth Proportional to 81,442.34, 122,119.10 and 24,507.95

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Solution

The fourth proportional to 81,442.34, 122,119.10 and 24,507.95 is: 36,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,442.34 : 122,119.10 = 24,507.95 : x
  2. Step 2: Convert to fraction form
    81,442.34/122,119.10 = 24,507.95/x
  3. Step 3: Cross multiply
    81,442.34x = 122,119.10 × 24,507.95
  4. Step 4: Simplify right side
    81,442.34x = 2,992,888,796.85
  5. Step 5: Solve for x
    x = 2,992,888,796.85/81,442.34
  6. Step 6: Final answer
    x = 36,748.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.