Home / 51,815.75-77,725.65-16,301.30

Finding the Fourth Proportional to 51,815.75, 77,725.65 and 16,301.30

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Solution

The fourth proportional to 51,815.75, 77,725.65 and 16,301.30 is: 24,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.75 : 77,725.65 = 16,301.30 : x
  2. Step 2: Convert to fraction form
    51,815.75/77,725.65 = 16,301.30/x
  3. Step 3: Cross multiply
    51,815.75x = 77,725.65 × 16,301.30
  4. Step 4: Simplify right side
    51,815.75x = 1,267,029,138.35
  5. Step 5: Solve for x
    x = 1,267,029,138.35/51,815.75
  6. Step 6: Final answer
    x = 24,452.59

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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.