Home / 99,161.38-148,742.07-25,289.38

Finding the Fourth Proportional to 99,161.38, 148,742.07 and 25,289.38

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Solution

The fourth proportional to 99,161.38, 148,742.07 and 25,289.38 is: 37,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,161.38 : 148,742.07 = 25,289.38 : x
  2. Step 2: Convert to fraction form
    99,161.38/148,742.07 = 25,289.38/x
  3. Step 3: Cross multiply
    99,161.38x = 148,742.07 × 25,289.38
  4. Step 4: Simplify right side
    99,161.38x = 3,761,593,860.06
  5. Step 5: Solve for x
    x = 3,761,593,860.06/99,161.38
  6. Step 6: Final answer
    x = 37,934.06

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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.