Home / 51,532.70-71,113.88-28,872.41

Finding the Fourth Proportional to 51,532.70, 71,113.88 and 28,872.41

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Solution

The fourth proportional to 51,532.70, 71,113.88 and 28,872.41 is: 39,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,532.70 : 71,113.88 = 28,872.41 : x
  2. Step 2: Convert to fraction form
    51,532.70/71,113.88 = 28,872.41/x
  3. Step 3: Cross multiply
    51,532.70x = 71,113.88 × 28,872.41
  4. Step 4: Simplify right side
    51,532.70x = 2,053,228,816.66
  5. Step 5: Solve for x
    x = 2,053,228,816.66/51,532.70
  6. Step 6: Final answer
    x = 39,843.23

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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.