Home / 52,291.98-72,163.38-28,418.64

Finding the Fourth Proportional to 52,291.98, 72,163.38 and 28,418.64

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Solution

The fourth proportional to 52,291.98, 72,163.38 and 28,418.64 is: 39,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.98 : 72,163.38 = 28,418.64 : x
  2. Step 2: Convert to fraction form
    52,291.98/72,163.38 = 28,418.64/x
  3. Step 3: Cross multiply
    52,291.98x = 72,163.38 × 28,418.64
  4. Step 4: Simplify right side
    52,291.98x = 2,050,785,117.40
  5. Step 5: Solve for x
    x = 2,050,785,117.40/52,291.98
  6. Step 6: Final answer
    x = 39,217.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.