Home / 57,930.85-79,951.29-35,283.11

Finding the Fourth Proportional to 57,930.85, 79,951.29 and 35,283.11

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Solution

The fourth proportional to 57,930.85, 79,951.29 and 35,283.11 is: 48,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930.85 : 79,951.29 = 35,283.11 : x
  2. Step 2: Convert to fraction form
    57,930.85/79,951.29 = 35,283.11/x
  3. Step 3: Cross multiply
    57,930.85x = 79,951.29 × 35,283.11
  4. Step 4: Simplify right side
    57,930.85x = 2,820,930,159.71
  5. Step 5: Solve for x
    x = 2,820,930,159.71/57,930.85
  6. Step 6: Final answer
    x = 48,694.78

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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.