Home / 49,123.20-73,684.80-40,375.20

Finding the Fourth Proportional to 49,123.20, 73,684.80 and 40,375.20

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Solution

The fourth proportional to 49,123.20, 73,684.80 and 40,375.20 is: 60,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,123.20 : 73,684.80 = 40,375.20 : x
  2. Step 2: Convert to fraction form
    49,123.20/73,684.80 = 40,375.20/x
  3. Step 3: Cross multiply
    49,123.20x = 73,684.80 × 40,375.20
  4. Step 4: Simplify right side
    49,123.20x = 2,975,038,536.96
  5. Step 5: Solve for x
    x = 2,975,038,536.96/49,123.20
  6. Step 6: Final answer
    x = 60,562.80

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1.5x scale

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.