Home / 75,982.60-113,938.11-44,401.78

Finding the Fourth Proportional to 75,982.60, 113,938.11 and 44,401.78

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Solution

The fourth proportional to 75,982.60, 113,938.11 and 44,401.78 is: 66,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,982.60 : 113,938.11 = 44,401.78 : x
  2. Step 2: Convert to fraction form
    75,982.60/113,938.11 = 44,401.78/x
  3. Step 3: Cross multiply
    75,982.60x = 113,938.11 × 44,401.78
  4. Step 4: Simplify right side
    75,982.60x = 5,059,054,893.84
  5. Step 5: Solve for x
    x = 5,059,054,893.84/75,982.60
  6. Step 6: Final answer
    x = 66,581.76

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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.