Home / 75,424.38-113,161.14-35,976.36

Finding the Fourth Proportional to 75,424.38, 113,161.14 and 35,976.36

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Solution

The fourth proportional to 75,424.38, 113,161.14 and 35,976.36 is: 53,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,424.38 : 113,161.14 = 35,976.36 : x
  2. Step 2: Convert to fraction form
    75,424.38/113,161.14 = 35,976.36/x
  3. Step 3: Cross multiply
    75,424.38x = 113,161.14 × 35,976.36
  4. Step 4: Simplify right side
    75,424.38x = 4,071,125,910.65
  5. Step 5: Solve for x
    x = 4,071,125,910.65/75,424.38
  6. Step 6: Final answer
    x = 53,976.26

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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.