Home / 74,241.72-102,454.34-40,250.27

Finding the Fourth Proportional to 74,241.72, 102,454.34 and 40,250.27

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Solution

The fourth proportional to 74,241.72, 102,454.34 and 40,250.27 is: 55,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,241.72 : 102,454.34 = 40,250.27 : x
  2. Step 2: Convert to fraction form
    74,241.72/102,454.34 = 40,250.27/x
  3. Step 3: Cross multiply
    74,241.72x = 102,454.34 × 40,250.27
  4. Step 4: Simplify right side
    74,241.72x = 4,123,814,902.56
  5. Step 5: Solve for x
    x = 4,123,814,902.56/74,241.72
  6. Step 6: Final answer
    x = 55,545.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.