Home / 120,735.57-181,062.35-41,831.38

Finding the Fourth Proportional to 120,735.57, 181,062.35 and 41,831.38

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Solution

The fourth proportional to 120,735.57, 181,062.35 and 41,831.38 is: 62,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,735.57 : 181,062.35 = 41,831.38 : x
  2. Step 2: Convert to fraction form
    120,735.57/181,062.35 = 41,831.38/x
  3. Step 3: Cross multiply
    120,735.57x = 181,062.35 × 41,831.38
  4. Step 4: Simplify right side
    120,735.57x = 7,574,087,304.73
  5. Step 5: Solve for x
    x = 7,574,087,304.73/120,735.57
  6. Step 6: Final answer
    x = 62,732.86

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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.