Home / 83,840.55-125,766.90-50,488.80

Finding the Fourth Proportional to 83,840.55, 125,766.90 and 50,488.80

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Solution

The fourth proportional to 83,840.55, 125,766.90 and 50,488.80 is: 75,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840.55 : 125,766.90 = 50,488.80 : x
  2. Step 2: Convert to fraction form
    83,840.55/125,766.90 = 50,488.80/x
  3. Step 3: Cross multiply
    83,840.55x = 125,766.90 × 50,488.80
  4. Step 4: Simplify right side
    83,840.55x = 6,349,819,860.72
  5. Step 5: Solve for x
    x = 6,349,819,860.72/83,840.55
  6. Step 6: Final answer
    x = 75,736.86

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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.