Home / 49,947.60-74,921.40-34,201.20

Finding the Fourth Proportional to 49,947.60, 74,921.40 and 34,201.20

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Solution

The fourth proportional to 49,947.60, 74,921.40 and 34,201.20 is: 51,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,947.60 : 74,921.40 = 34,201.20 : x
  2. Step 2: Convert to fraction form
    49,947.60/74,921.40 = 34,201.20/x
  3. Step 3: Cross multiply
    49,947.60x = 74,921.40 × 34,201.20
  4. Step 4: Simplify right side
    49,947.60x = 2,562,401,785.68
  5. Step 5: Solve for x
    x = 2,562,401,785.68/49,947.60
  6. Step 6: Final answer
    x = 51,301.80

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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.