Home / 84,488.82-126,726.73-52,474.38

Finding the Fourth Proportional to 84,488.82, 126,726.73 and 52,474.38

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Solution

The fourth proportional to 84,488.82, 126,726.73 and 52,474.38 is: 78,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,488.82 : 126,726.73 = 52,474.38 : x
  2. Step 2: Convert to fraction form
    84,488.82/126,726.73 = 52,474.38/x
  3. Step 3: Cross multiply
    84,488.82x = 126,726.73 × 52,474.38
  4. Step 4: Simplify right side
    84,488.82x = 6,649,906,692.60
  5. Step 5: Solve for x
    x = 6,649,906,692.60/84,488.82
  6. Step 6: Final answer
    x = 78,707.54

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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.