Home / 124,759.43-187,213.26-45,929.02

Finding the Fourth Proportional to 124,759.43, 187,213.26 and 45,929.02

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Solution

The fourth proportional to 124,759.43, 187,213.26 and 45,929.02 is: 68,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,759.43 : 187,213.26 = 45,929.02 : x
  2. Step 2: Convert to fraction form
    124,759.43/187,213.26 = 45,929.02/x
  3. Step 3: Cross multiply
    124,759.43x = 187,213.26 × 45,929.02
  4. Step 4: Simplify right side
    124,759.43x = 8,598,520,626.74
  5. Step 5: Solve for x
    x = 8,598,520,626.74/124,759.43
  6. Step 6: Final answer
    x = 68,920.81

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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.