Home / 114,764.80-172,147.32-35,879.44

Finding the Fourth Proportional to 114,764.80, 172,147.32 and 35,879.44

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Solution

The fourth proportional to 114,764.80, 172,147.32 and 35,879.44 is: 53,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,764.80 : 172,147.32 = 35,879.44 : x
  2. Step 2: Convert to fraction form
    114,764.80/172,147.32 = 35,879.44/x
  3. Step 3: Cross multiply
    114,764.80x = 172,147.32 × 35,879.44
  4. Step 4: Simplify right side
    114,764.80x = 6,176,549,439.10
  5. Step 5: Solve for x
    x = 6,176,549,439.10/114,764.80
  6. Step 6: Final answer
    x = 53,819.20

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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.