Home / 87,782.82-131,675.34-30,854.42

Finding the Fourth Proportional to 87,782.82, 131,675.34 and 30,854.42

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Solution

The fourth proportional to 87,782.82, 131,675.34 and 30,854.42 is: 46,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,782.82 : 131,675.34 = 30,854.42 : x
  2. Step 2: Convert to fraction form
    87,782.82/131,675.34 = 30,854.42/x
  3. Step 3: Cross multiply
    87,782.82x = 131,675.34 × 30,854.42
  4. Step 4: Simplify right side
    87,782.82x = 4,062,766,853.49
  5. Step 5: Solve for x
    x = 4,062,766,853.49/87,782.82
  6. Step 6: Final answer
    x = 46,282.03

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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.