Home / 80,770.60-111,453.33-46,778.55

Finding the Fourth Proportional to 80,770.60, 111,453.33 and 46,778.55

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Solution

The fourth proportional to 80,770.60, 111,453.33 and 46,778.55 is: 64,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,770.60 : 111,453.33 = 46,778.55 : x
  2. Step 2: Convert to fraction form
    80,770.60/111,453.33 = 46,778.55/x
  3. Step 3: Cross multiply
    80,770.60x = 111,453.33 × 46,778.55
  4. Step 4: Simplify right side
    80,770.60x = 5,213,625,170.07
  5. Step 5: Solve for x
    x = 5,213,625,170.07/80,770.60
  6. Step 6: Final answer
    x = 64,548.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.