Home / 84,532.37-126,618.72-68,662.85

Finding the Fourth Proportional to 84,532.37, 126,618.72 and 68,662.85

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Solution

The fourth proportional to 84,532.37, 126,618.72 and 68,662.85 is: 102,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,532.37 : 126,618.72 = 68,662.85 : x
  2. Step 2: Convert to fraction form
    84,532.37/126,618.72 = 68,662.85/x
  3. Step 3: Cross multiply
    84,532.37x = 126,618.72 × 68,662.85
  4. Step 4: Simplify right side
    84,532.37x = 8,694,001,545.46
  5. Step 5: Solve for x
    x = 8,694,001,545.46/84,532.37
  6. Step 6: Final answer
    x = 102,848.20

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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.