Home / 74,956.20-103,439.49-41,422.20

Finding the Fourth Proportional to 74,956.20, 103,439.49 and 41,422.20

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Solution

The fourth proportional to 74,956.20, 103,439.49 and 41,422.20 is: 57,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,956.20 : 103,439.49 = 41,422.20 : x
  2. Step 2: Convert to fraction form
    74,956.20/103,439.49 = 41,422.20/x
  3. Step 3: Cross multiply
    74,956.20x = 103,439.49 × 41,422.20
  4. Step 4: Simplify right side
    74,956.20x = 4,284,691,242.68
  5. Step 5: Solve for x
    x = 4,284,691,242.68/74,956.20
  6. Step 6: Final answer
    x = 57,162.60

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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.