Home / 75,984.60-113,941.11-44,403.78

Finding the Fourth Proportional to 75,984.60, 113,941.11 and 44,403.78

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Solution

The fourth proportional to 75,984.60, 113,941.11 and 44,403.78 is: 66,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,984.60 : 113,941.11 = 44,403.78 : x
  2. Step 2: Convert to fraction form
    75,984.60/113,941.11 = 44,403.78/x
  3. Step 3: Cross multiply
    75,984.60x = 113,941.11 × 44,403.78
  4. Step 4: Simplify right side
    75,984.60x = 5,059,415,981.40
  5. Step 5: Solve for x
    x = 5,059,415,981.40/75,984.60
  6. Step 6: Final answer
    x = 66,584.76

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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.