Home / 71,850.10-107,708.73-36,712.30

Finding the Fourth Proportional to 71,850.10, 107,708.73 and 36,712.30

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Solution

The fourth proportional to 71,850.10, 107,708.73 and 36,712.30 is: 55,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,850.10 : 107,708.73 = 36,712.30 : x
  2. Step 2: Convert to fraction form
    71,850.10/107,708.73 = 36,712.30/x
  3. Step 3: Cross multiply
    71,850.10x = 107,708.73 × 36,712.30
  4. Step 4: Simplify right side
    71,850.10x = 3,954,235,208.38
  5. Step 5: Solve for x
    x = 3,954,235,208.38/71,850.10
  6. Step 6: Final answer
    x = 55,034.51

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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.