Home / 51,363.20-77,044.80-13,923.27

Finding the Fourth Proportional to 51,363.20, 77,044.80 and 13,923.27

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Solution

The fourth proportional to 51,363.20, 77,044.80 and 13,923.27 is: 20,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,363.20 : 77,044.80 = 13,923.27 : x
  2. Step 2: Convert to fraction form
    51,363.20/77,044.80 = 13,923.27/x
  3. Step 3: Cross multiply
    51,363.20x = 77,044.80 × 13,923.27
  4. Step 4: Simplify right side
    51,363.20x = 1,072,715,552.50
  5. Step 5: Solve for x
    x = 1,072,715,552.50/51,363.20
  6. Step 6: Final answer
    x = 20,884.91

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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.