Home / 84,540.96-126,832.48-25,377.76

Finding the Fourth Proportional to 84,540.96, 126,832.48 and 25,377.76

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Solution

The fourth proportional to 84,540.96, 126,832.48 and 25,377.76 is: 38,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,540.96 : 126,832.48 = 25,377.76 : x
  2. Step 2: Convert to fraction form
    84,540.96/126,832.48 = 25,377.76/x
  3. Step 3: Cross multiply
    84,540.96x = 126,832.48 × 25,377.76
  4. Step 4: Simplify right side
    84,540.96x = 3,218,724,237.64
  5. Step 5: Solve for x
    x = 3,218,724,237.64/84,540.96
  6. Step 6: Final answer
    x = 38,072.96

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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.