Home / 74,621.43-102,944.29-50,414.61

Finding the Fourth Proportional to 74,621.43, 102,944.29 and 50,414.61

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Solution

The fourth proportional to 74,621.43, 102,944.29 and 50,414.61 is: 69,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,621.43 : 102,944.29 = 50,414.61 : x
  2. Step 2: Convert to fraction form
    74,621.43/102,944.29 = 50,414.61/x
  3. Step 3: Cross multiply
    74,621.43x = 102,944.29 × 50,414.61
  4. Step 4: Simplify right side
    74,621.43x = 5,189,896,232.08
  5. Step 5: Solve for x
    x = 5,189,896,232.08/74,621.43
  6. Step 6: Final answer
    x = 69,549.68

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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.