Home / 89,079.36-122,929.38-48,793.11

Finding the Fourth Proportional to 89,079.36, 122,929.38 and 48,793.11

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Solution

The fourth proportional to 89,079.36, 122,929.38 and 48,793.11 is: 67,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079.36 : 122,929.38 = 48,793.11 : x
  2. Step 2: Convert to fraction form
    89,079.36/122,929.38 = 48,793.11/x
  3. Step 3: Cross multiply
    89,079.36x = 122,929.38 × 48,793.11
  4. Step 4: Simplify right side
    89,079.36x = 5,998,106,760.57
  5. Step 5: Solve for x
    x = 5,998,106,760.57/89,079.36
  6. Step 6: Final answer
    x = 67,334.42

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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.