Home / 61,112.20-91,538.70-50,744.20

Finding the Fourth Proportional to 61,112.20, 91,538.70 and 50,744.20

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Solution

The fourth proportional to 61,112.20, 91,538.70 and 50,744.20 is: 76,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,112.20 : 91,538.70 = 50,744.20 : x
  2. Step 2: Convert to fraction form
    61,112.20/91,538.70 = 50,744.20/x
  3. Step 3: Cross multiply
    61,112.20x = 91,538.70 × 50,744.20
  4. Step 4: Simplify right side
    61,112.20x = 4,645,058,100.54
  5. Step 5: Solve for x
    x = 4,645,058,100.54/61,112.20
  6. Step 6: Final answer
    x = 76,008.69

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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.