Home / 57,815.70-86,723.55-35,265.30

Finding the Fourth Proportional to 57,815.70, 86,723.55 and 35,265.30

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Solution

The fourth proportional to 57,815.70, 86,723.55 and 35,265.30 is: 52,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,815.70 : 86,723.55 = 35,265.30 : x
  2. Step 2: Convert to fraction form
    57,815.70/86,723.55 = 35,265.30/x
  3. Step 3: Cross multiply
    57,815.70x = 86,723.55 × 35,265.30
  4. Step 4: Simplify right side
    57,815.70x = 3,058,332,007.82
  5. Step 5: Solve for x
    x = 3,058,332,007.82/57,815.70
  6. Step 6: Final answer
    x = 52,897.95

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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.