Home / 80,955.06-121,442.76-43,463.60

Finding the Fourth Proportional to 80,955.06, 121,442.76 and 43,463.60

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Solution

The fourth proportional to 80,955.06, 121,442.76 and 43,463.60 is: 65,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,955.06 : 121,442.76 = 43,463.60 : x
  2. Step 2: Convert to fraction form
    80,955.06/121,442.76 = 43,463.60/x
  3. Step 3: Cross multiply
    80,955.06x = 121,442.76 × 43,463.60
  4. Step 4: Simplify right side
    80,955.06x = 5,278,339,543.54
  5. Step 5: Solve for x
    x = 5,278,339,543.54/80,955.06
  6. Step 6: Final answer
    x = 65,200.86

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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.