Home / 124,375.50-186,563.25-45,446.70

Finding the Fourth Proportional to 124,375.50, 186,563.25 and 45,446.70

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Solution

The fourth proportional to 124,375.50, 186,563.25 and 45,446.70 is: 68,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,375.50 : 186,563.25 = 45,446.70 : x
  2. Step 2: Convert to fraction form
    124,375.50/186,563.25 = 45,446.70/x
  3. Step 3: Cross multiply
    124,375.50x = 186,563.25 × 45,446.70
  4. Step 4: Simplify right side
    124,375.50x = 8,478,684,053.78
  5. Step 5: Solve for x
    x = 8,478,684,053.78/124,375.50
  6. Step 6: Final answer
    x = 68,170.05

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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.