Home / 52,908.34-73,013.25-28,708.78

Finding the Fourth Proportional to 52,908.34, 73,013.25 and 28,708.78

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Solution

The fourth proportional to 52,908.34, 73,013.25 and 28,708.78 is: 39,617.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,908.34 : 73,013.25 = 28,708.78 : x
  2. Step 2: Convert to fraction form
    52,908.34/73,013.25 = 28,708.78/x
  3. Step 3: Cross multiply
    52,908.34x = 73,013.25 × 28,708.78
  4. Step 4: Simplify right side
    52,908.34x = 2,096,121,231.87
  5. Step 5: Solve for x
    x = 2,096,121,231.87/52,908.34
  6. Step 6: Final answer
    x = 39,617.97

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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.