Home / 121,442.70-167,590.62-67,727.79

Finding the Fourth Proportional to 121,442.70, 167,590.62 and 67,727.79

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Solution

The fourth proportional to 121,442.70, 167,590.62 and 67,727.79 is: 93,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,442.70 : 167,590.62 = 67,727.79 : x
  2. Step 2: Convert to fraction form
    121,442.70/167,590.62 = 67,727.79/x
  3. Step 3: Cross multiply
    121,442.70x = 167,590.62 × 67,727.79
  4. Step 4: Simplify right side
    121,442.70x = 11,350,542,317.33
  5. Step 5: Solve for x
    x = 11,350,542,317.33/121,442.70
  6. Step 6: Final answer
    x = 93,464.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.