Home / 75,983.60-113,939.61-44,402.78

Finding the Fourth Proportional to 75,983.60, 113,939.61 and 44,402.78

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Solution

The fourth proportional to 75,983.60, 113,939.61 and 44,402.78 is: 66,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,983.60 : 113,939.61 = 44,402.78 : x
  2. Step 2: Convert to fraction form
    75,983.60/113,939.61 = 44,402.78/x
  3. Step 3: Cross multiply
    75,983.60x = 113,939.61 × 44,402.78
  4. Step 4: Simplify right side
    75,983.60x = 5,059,235,436.12
  5. Step 5: Solve for x
    x = 5,059,235,436.12/75,983.60
  6. Step 6: Final answer
    x = 66,583.26

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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.