Home / 75,425.25-113,152.44-28,674.48

Finding the Fourth Proportional to 75,425.25, 113,152.44 and 28,674.48

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Solution

The fourth proportional to 75,425.25, 113,152.44 and 28,674.48 is: 43,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,425.25 : 113,152.44 = 28,674.48 : x
  2. Step 2: Convert to fraction form
    75,425.25/113,152.44 = 28,674.48/x
  3. Step 3: Cross multiply
    75,425.25x = 113,152.44 × 28,674.48
  4. Step 4: Simplify right side
    75,425.25x = 3,244,587,377.73
  5. Step 5: Solve for x
    x = 3,244,587,377.73/75,425.25
  6. Step 6: Final answer
    x = 43,017.26

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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.