Home / 111,663.06-167,520.50-36,780.52

Finding the Fourth Proportional to 111,663.06, 167,520.50 and 36,780.52

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Solution

The fourth proportional to 111,663.06, 167,520.50 and 36,780.52 is: 55,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,663.06 : 167,520.50 = 36,780.52 : x
  2. Step 2: Convert to fraction form
    111,663.06/167,520.50 = 36,780.52/x
  3. Step 3: Cross multiply
    111,663.06x = 167,520.50 × 36,780.52
  4. Step 4: Simplify right side
    111,663.06x = 6,161,491,100.66
  5. Step 5: Solve for x
    x = 6,161,491,100.66/111,663.06
  6. Step 6: Final answer
    x = 55,179.31

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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.