Home / 103,876.20-155,747.88-61,745.04

Finding the Fourth Proportional to 103,876.20, 155,747.88 and 61,745.04

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Solution

The fourth proportional to 103,876.20, 155,747.88 and 61,745.04 is: 92,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,876.20 : 155,747.88 = 61,745.04 : x
  2. Step 2: Convert to fraction form
    103,876.20/155,747.88 = 61,745.04/x
  3. Step 3: Cross multiply
    103,876.20x = 155,747.88 × 61,745.04
  4. Step 4: Simplify right side
    103,876.20x = 9,616,659,080.52
  5. Step 5: Solve for x
    x = 9,616,659,080.52/103,876.20
  6. Step 6: Final answer
    x = 92,578.08

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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.