Home / 80,930.56-121,284.16-41,403.52

Finding the Fourth Proportional to 80,930.56, 121,284.16 and 41,403.52

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Solution

The fourth proportional to 80,930.56, 121,284.16 and 41,403.52 is: 62,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930.56 : 121,284.16 = 41,403.52 : x
  2. Step 2: Convert to fraction form
    80,930.56/121,284.16 = 41,403.52/x
  3. Step 3: Cross multiply
    80,930.56x = 121,284.16 × 41,403.52
  4. Step 4: Simplify right side
    80,930.56x = 5,021,591,144.24
  5. Step 5: Solve for x
    x = 5,021,591,144.24/80,930.56
  6. Step 6: Final answer
    x = 62,048.15

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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.