Home / 75,625.72-113,443.80-25,685.44

Finding the Fourth Proportional to 75,625.72, 113,443.80 and 25,685.44

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Solution

The fourth proportional to 75,625.72, 113,443.80 and 25,685.44 is: 38,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,625.72 : 113,443.80 = 25,685.44 : x
  2. Step 2: Convert to fraction form
    75,625.72/113,443.80 = 25,685.44/x
  3. Step 3: Cross multiply
    75,625.72x = 113,443.80 × 25,685.44
  4. Step 4: Simplify right side
    75,625.72x = 2,913,853,918.27
  5. Step 5: Solve for x
    x = 2,913,853,918.27/75,625.72
  6. Step 6: Final answer
    x = 38,529.93

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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.