Home / 51,073.26-70,474.35-28,407.75

Finding the Fourth Proportional to 51,073.26, 70,474.35 and 28,407.75

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Solution

The fourth proportional to 51,073.26, 70,474.35 and 28,407.75 is: 39,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,073.26 : 70,474.35 = 28,407.75 : x
  2. Step 2: Convert to fraction form
    51,073.26/70,474.35 = 28,407.75/x
  3. Step 3: Cross multiply
    51,073.26x = 70,474.35 × 28,407.75
  4. Step 4: Simplify right side
    51,073.26x = 2,002,017,716.21
  5. Step 5: Solve for x
    x = 2,002,017,716.21/51,073.26
  6. Step 6: Final answer
    x = 39,198.94

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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.