Home / 75,764.12-113,716.29-38,350.48

Finding the Fourth Proportional to 75,764.12, 113,716.29 and 38,350.48

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Solution

The fourth proportional to 75,764.12, 113,716.29 and 38,350.48 is: 57,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,764.12 : 113,716.29 = 38,350.48 : x
  2. Step 2: Convert to fraction form
    75,764.12/113,716.29 = 38,350.48/x
  3. Step 3: Cross multiply
    75,764.12x = 113,716.29 × 38,350.48
  4. Step 4: Simplify right side
    75,764.12x = 4,361,074,305.32
  5. Step 5: Solve for x
    x = 4,361,074,305.32/75,764.12
  6. Step 6: Final answer
    x = 57,561.21

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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.