Home / 74,324.11-111,458.22-29,935.72

Finding the Fourth Proportional to 74,324.11, 111,458.22 and 29,935.72

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Solution

The fourth proportional to 74,324.11, 111,458.22 and 29,935.72 is: 44,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,324.11 : 111,458.22 = 29,935.72 : x
  2. Step 2: Convert to fraction form
    74,324.11/111,458.22 = 29,935.72/x
  3. Step 3: Cross multiply
    74,324.11x = 111,458.22 × 29,935.72
  4. Step 4: Simplify right side
    74,324.11x = 3,336,582,065.62
  5. Step 5: Solve for x
    x = 3,336,582,065.62/74,324.11
  6. Step 6: Final answer
    x = 44,892.32

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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.