Home / 111,921.06-167,865.06-40,827.06

Finding the Fourth Proportional to 111,921.06, 167,865.06 and 40,827.06

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Solution

The fourth proportional to 111,921.06, 167,865.06 and 40,827.06 is: 61,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,921.06 : 167,865.06 = 40,827.06 : x
  2. Step 2: Convert to fraction form
    111,921.06/167,865.06 = 40,827.06/x
  3. Step 3: Cross multiply
    111,921.06x = 167,865.06 × 40,827.06
  4. Step 4: Simplify right side
    111,921.06x = 6,853,436,876.52
  5. Step 5: Solve for x
    x = 6,853,436,876.52/111,921.06
  6. Step 6: Final answer
    x = 61,234.56

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1.5x scale

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.