Home / 51,423.60-70,963.20-29,067.60

Finding the Fourth Proportional to 51,423.60, 70,963.20 and 29,067.60

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Solution

The fourth proportional to 51,423.60, 70,963.20 and 29,067.60 is: 40,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,423.60 : 70,963.20 = 29,067.60 : x
  2. Step 2: Convert to fraction form
    51,423.60/70,963.20 = 29,067.60/x
  3. Step 3: Cross multiply
    51,423.60x = 70,963.20 × 29,067.60
  4. Step 4: Simplify right side
    51,423.60x = 2,062,729,912.32
  5. Step 5: Solve for x
    x = 2,062,729,912.32/51,423.60
  6. Step 6: Final answer
    x = 40,112.51

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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.