Home / 80,884.80-121,327.20-41,518.80

Finding the Fourth Proportional to 80,884.80, 121,327.20 and 41,518.80

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Solution

The fourth proportional to 80,884.80, 121,327.20 and 41,518.80 is: 62,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,884.80 : 121,327.20 = 41,518.80 : x
  2. Step 2: Convert to fraction form
    80,884.80/121,327.20 = 41,518.80/x
  3. Step 3: Cross multiply
    80,884.80x = 121,327.20 × 41,518.80
  4. Step 4: Simplify right side
    80,884.80x = 5,037,359,751.36
  5. Step 5: Solve for x
    x = 5,037,359,751.36/80,884.80
  6. Step 6: Final answer
    x = 62,278.20

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1.5x scale

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.