Home / 49,725.20-74,859.98-45,370.64

Finding the Fourth Proportional to 49,725.20, 74,859.98 and 45,370.64

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Solution

The fourth proportional to 49,725.20, 74,859.98 and 45,370.64 is: 68,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,725.20 : 74,859.98 = 45,370.64 : x
  2. Step 2: Convert to fraction form
    49,725.20/74,859.98 = 45,370.64/x
  3. Step 3: Cross multiply
    49,725.20x = 74,859.98 × 45,370.64
  4. Step 4: Simplify right side
    49,725.20x = 3,396,445,202.99
  5. Step 5: Solve for x
    x = 3,396,445,202.99/49,725.20
  6. Step 6: Final answer
    x = 68,304.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.