Home / 80,955.60-121,457.20-41,540.24

Finding the Fourth Proportional to 80,955.60, 121,457.20 and 41,540.24

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Solution

The fourth proportional to 80,955.60, 121,457.20 and 41,540.24 is: 62,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,955.60 : 121,457.20 = 41,540.24 : x
  2. Step 2: Convert to fraction form
    80,955.60/121,457.20 = 41,540.24/x
  3. Step 3: Cross multiply
    80,955.60x = 121,457.20 × 41,540.24
  4. Step 4: Simplify right side
    80,955.60x = 5,045,361,237.73
  5. Step 5: Solve for x
    x = 5,045,361,237.73/80,955.60
  6. Step 6: Final answer
    x = 62,322.57

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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.