Home / 124,919.62-187,380.34-36,172.98

Finding the Fourth Proportional to 124,919.62, 187,380.34 and 36,172.98

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Solution

The fourth proportional to 124,919.62, 187,380.34 and 36,172.98 is: 54,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,919.62 : 187,380.34 = 36,172.98 : x
  2. Step 2: Convert to fraction form
    124,919.62/187,380.34 = 36,172.98/x
  3. Step 3: Cross multiply
    124,919.62x = 187,380.34 × 36,172.98
  4. Step 4: Simplify right side
    124,919.62x = 6,778,105,200.78
  5. Step 5: Solve for x
    x = 6,778,105,200.78/124,919.62
  6. Step 6: Final answer
    x = 54,259.73

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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.