Home / 57,977.40-86,945.61-27,578.95

Finding the Fourth Proportional to 57,977.40, 86,945.61 and 27,578.95

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Solution

The fourth proportional to 57,977.40, 86,945.61 and 27,578.95 is: 41,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,977.40 : 86,945.61 = 27,578.95 : x
  2. Step 2: Convert to fraction form
    57,977.40/86,945.61 = 27,578.95/x
  3. Step 3: Cross multiply
    57,977.40x = 86,945.61 × 27,578.95
  4. Step 4: Simplify right side
    57,977.40x = 2,397,868,630.91
  5. Step 5: Solve for x
    x = 2,397,868,630.91/57,977.40
  6. Step 6: Final answer
    x = 41,358.68

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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.