Home / 84,379.32-126,506.52-51,091.56

Finding the Fourth Proportional to 84,379.32, 126,506.52 and 51,091.56

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Solution

The fourth proportional to 84,379.32, 126,506.52 and 51,091.56 is: 76,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,379.32 : 126,506.52 = 51,091.56 : x
  2. Step 2: Convert to fraction form
    84,379.32/126,506.52 = 51,091.56/x
  3. Step 3: Cross multiply
    84,379.32x = 126,506.52 × 51,091.56
  4. Step 4: Simplify right side
    84,379.32x = 6,463,415,456.97
  5. Step 5: Solve for x
    x = 6,463,415,456.97/84,379.32
  6. Step 6: Final answer
    x = 76,599.52

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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.