Home / 124,704.52-187,081.18-45,819.40

Finding the Fourth Proportional to 124,704.52, 187,081.18 and 45,819.40

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Solution

The fourth proportional to 124,704.52, 187,081.18 and 45,819.40 is: 68,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,704.52 : 187,081.18 = 45,819.40 : x
  2. Step 2: Convert to fraction form
    124,704.52/187,081.18 = 45,819.40/x
  3. Step 3: Cross multiply
    124,704.52x = 187,081.18 × 45,819.40
  4. Step 4: Simplify right side
    124,704.52x = 8,571,947,418.89
  5. Step 5: Solve for x
    x = 8,571,947,418.89/124,704.52
  6. Step 6: Final answer
    x = 68,738.07

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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.