Home / 50,876.64-76,315.32-15,815.52

Finding the Fourth Proportional to 50,876.64, 76,315.32 and 15,815.52

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Solution

The fourth proportional to 50,876.64, 76,315.32 and 15,815.52 is: 23,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,876.64 : 76,315.32 = 15,815.52 : x
  2. Step 2: Convert to fraction form
    50,876.64/76,315.32 = 15,815.52/x
  3. Step 3: Cross multiply
    50,876.64x = 76,315.32 × 15,815.52
  4. Step 4: Simplify right side
    50,876.64x = 1,206,966,469.77
  5. Step 5: Solve for x
    x = 1,206,966,469.77/50,876.64
  6. Step 6: Final answer
    x = 23,723.39

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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.