Home / 75,651.75-113,444.80-25,718.43

Finding the Fourth Proportional to 75,651.75, 113,444.80 and 25,718.43

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Solution

The fourth proportional to 75,651.75, 113,444.80 and 25,718.43 is: 38,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,651.75 : 113,444.80 = 25,718.43 : x
  2. Step 2: Convert to fraction form
    75,651.75/113,444.80 = 25,718.43/x
  3. Step 3: Cross multiply
    75,651.75x = 113,444.80 × 25,718.43
  4. Step 4: Simplify right side
    75,651.75x = 2,917,622,147.66
  5. Step 5: Solve for x
    x = 2,917,622,147.66/75,651.75
  6. Step 6: Final answer
    x = 38,566.49

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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.