Home / 57,821.76-79,780.68-33,947.28

Finding the Fourth Proportional to 57,821.76, 79,780.68 and 33,947.28

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Solution

The fourth proportional to 57,821.76, 79,780.68 and 33,947.28 is: 46,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,821.76 : 79,780.68 = 33,947.28 : x
  2. Step 2: Convert to fraction form
    57,821.76/79,780.68 = 33,947.28/x
  3. Step 3: Cross multiply
    57,821.76x = 79,780.68 × 33,947.28
  4. Step 4: Simplify right side
    57,821.76x = 2,708,337,082.55
  5. Step 5: Solve for x
    x = 2,708,337,082.55/57,821.76
  6. Step 6: Final answer
    x = 46,839.41

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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.