Home / 107,918.70-148,920.84-60,169.20

Finding the Fourth Proportional to 107,918.70, 148,920.84 and 60,169.20

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Solution

The fourth proportional to 107,918.70, 148,920.84 and 60,169.20 is: 83,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,918.70 : 148,920.84 = 60,169.20 : x
  2. Step 2: Convert to fraction form
    107,918.70/148,920.84 = 60,169.20/x
  3. Step 3: Cross multiply
    107,918.70x = 148,920.84 × 60,169.20
  4. Step 4: Simplify right side
    107,918.70x = 8,960,447,806.13
  5. Step 5: Solve for x
    x = 8,960,447,806.13/107,918.70
  6. Step 6: Final answer
    x = 83,029.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.