Home / 73,320.74-109,959.12-38,241.26

Finding the Fourth Proportional to 73,320.74, 109,959.12 and 38,241.26

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Solution

The fourth proportional to 73,320.74, 109,959.12 and 38,241.26 is: 57,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,320.74 : 109,959.12 = 38,241.26 : x
  2. Step 2: Convert to fraction form
    73,320.74/109,959.12 = 38,241.26/x
  3. Step 3: Cross multiply
    73,320.74x = 109,959.12 × 38,241.26
  4. Step 4: Simplify right side
    73,320.74x = 4,204,975,297.29
  5. Step 5: Solve for x
    x = 4,204,975,297.29/73,320.74
  6. Step 6: Final answer
    x = 57,350.42

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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.