Home / 115,946.40-173,878.60-55,149.52

Finding the Fourth Proportional to 115,946.40, 173,878.60 and 55,149.52

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Solution

The fourth proportional to 115,946.40, 173,878.60 and 55,149.52 is: 82,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,946.40 : 173,878.60 = 55,149.52 : x
  2. Step 2: Convert to fraction form
    115,946.40/173,878.60 = 55,149.52/x
  3. Step 3: Cross multiply
    115,946.40x = 173,878.60 × 55,149.52
  4. Step 4: Simplify right side
    115,946.40x = 9,589,321,328.27
  5. Step 5: Solve for x
    x = 9,589,321,328.27/115,946.40
  6. Step 6: Final answer
    x = 82,704.78

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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.