Home / 111,470.18-167,079.51-55,350.37

Finding the Fourth Proportional to 111,470.18, 167,079.51 and 55,350.37

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Solution

The fourth proportional to 111,470.18, 167,079.51 and 55,350.37 is: 82,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,470.18 : 167,079.51 = 55,350.37 : x
  2. Step 2: Convert to fraction form
    111,470.18/167,079.51 = 55,350.37/x
  3. Step 3: Cross multiply
    111,470.18x = 167,079.51 × 55,350.37
  4. Step 4: Simplify right side
    111,470.18x = 9,247,912,906.77
  5. Step 5: Solve for x
    x = 9,247,912,906.77/111,470.18
  6. Step 6: Final answer
    x = 82,963.11

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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.