Home / 74,066.57-111,113.67-29,696.79

Finding the Fourth Proportional to 74,066.57, 111,113.67 and 29,696.79

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Solution

The fourth proportional to 74,066.57, 111,113.67 and 29,696.79 is: 44,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,066.57 : 111,113.67 = 29,696.79 : x
  2. Step 2: Convert to fraction form
    74,066.57/111,113.67 = 29,696.79/x
  3. Step 3: Cross multiply
    74,066.57x = 111,113.67 × 29,696.79
  4. Step 4: Simplify right side
    74,066.57x = 3,299,719,324.12
  5. Step 5: Solve for x
    x = 3,299,719,324.12/74,066.57
  6. Step 6: Final answer
    x = 44,550.73

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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.