Home / 47,923.53-71,917.29-16,758.78

Finding the Fourth Proportional to 47,923.53, 71,917.29 and 16,758.78

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Solution

The fourth proportional to 47,923.53, 71,917.29 and 16,758.78 is: 25,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,923.53 : 71,917.29 = 16,758.78 : x
  2. Step 2: Convert to fraction form
    47,923.53/71,917.29 = 16,758.78/x
  3. Step 3: Cross multiply
    47,923.53x = 71,917.29 × 16,758.78
  4. Step 4: Simplify right side
    47,923.53x = 1,205,246,041.31
  5. Step 5: Solve for x
    x = 1,205,246,041.31/47,923.53
  6. Step 6: Final answer
    x = 25,149.36

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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.