Home / 52,708.20-72,772.41-31,204.89

Finding the Fourth Proportional to 52,708.20, 72,772.41 and 31,204.89

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Solution

The fourth proportional to 52,708.20, 72,772.41 and 31,204.89 is: 43,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,708.20 : 72,772.41 = 31,204.89 : x
  2. Step 2: Convert to fraction form
    52,708.20/72,772.41 = 31,204.89/x
  3. Step 3: Cross multiply
    52,708.20x = 72,772.41 × 31,204.89
  4. Step 4: Simplify right side
    52,708.20x = 2,270,855,049.08
  5. Step 5: Solve for x
    x = 2,270,855,049.08/52,708.20
  6. Step 6: Final answer
    x = 43,083.52

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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.