Home / 52,137.27-78,211.37-17,079.66

Finding the Fourth Proportional to 52,137.27, 78,211.37 and 17,079.66

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Solution

The fourth proportional to 52,137.27, 78,211.37 and 17,079.66 is: 25,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,137.27 : 78,211.37 = 17,079.66 : x
  2. Step 2: Convert to fraction form
    52,137.27/78,211.37 = 17,079.66/x
  3. Step 3: Cross multiply
    52,137.27x = 78,211.37 × 17,079.66
  4. Step 4: Simplify right side
    52,137.27x = 1,335,823,650.43
  5. Step 5: Solve for x
    x = 1,335,823,650.43/52,137.27
  6. Step 6: Final answer
    x = 25,621.28

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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.