Home / 111,026.91-166,512.62-43,572.65

Finding the Fourth Proportional to 111,026.91, 166,512.62 and 43,572.65

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Solution

The fourth proportional to 111,026.91, 166,512.62 and 43,572.65 is: 65,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,026.91 : 166,512.62 = 43,572.65 : x
  2. Step 2: Convert to fraction form
    111,026.91/166,512.62 = 43,572.65/x
  3. Step 3: Cross multiply
    111,026.91x = 166,512.62 × 43,572.65
  4. Step 4: Simplify right side
    111,026.91x = 7,255,395,388.21
  5. Step 5: Solve for x
    x = 7,255,395,388.21/111,026.91
  6. Step 6: Final answer
    x = 65,348.08

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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.