Home / 89,129.30-122,996.46-48,842.18

Finding the Fourth Proportional to 89,129.30, 122,996.46 and 48,842.18

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Solution

The fourth proportional to 89,129.30, 122,996.46 and 48,842.18 is: 67,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,129.30 : 122,996.46 = 48,842.18 : x
  2. Step 2: Convert to fraction form
    89,129.30/122,996.46 = 48,842.18/x
  3. Step 3: Cross multiply
    89,129.30x = 122,996.46 × 48,842.18
  4. Step 4: Simplify right side
    89,129.30x = 6,007,415,238.68
  5. Step 5: Solve for x
    x = 6,007,415,238.68/89,129.30
  6. Step 6: Final answer
    x = 67,401.13

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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.