Home / 80,120.37-110,565.91-46,116.44

Finding the Fourth Proportional to 80,120.37, 110,565.91 and 46,116.44

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Solution

The fourth proportional to 80,120.37, 110,565.91 and 46,116.44 is: 63,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,120.37 : 110,565.91 = 46,116.44 : x
  2. Step 2: Convert to fraction form
    80,120.37/110,565.91 = 46,116.44/x
  3. Step 3: Cross multiply
    80,120.37x = 110,565.91 × 46,116.44
  4. Step 4: Simplify right side
    80,120.37x = 5,098,906,154.56
  5. Step 5: Solve for x
    x = 5,098,906,154.56/80,120.37
  6. Step 6: Final answer
    x = 63,640.57

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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.