Home / 74,857.20-112,226.19-43,231.29

Finding the Fourth Proportional to 74,857.20, 112,226.19 and 43,231.29

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Solution

The fourth proportional to 74,857.20, 112,226.19 and 43,231.29 is: 64,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,857.20 : 112,226.19 = 43,231.29 : x
  2. Step 2: Convert to fraction form
    74,857.20/112,226.19 = 43,231.29/x
  3. Step 3: Cross multiply
    74,857.20x = 112,226.19 × 43,231.29
  4. Step 4: Simplify right side
    74,857.20x = 4,851,682,965.49
  5. Step 5: Solve for x
    x = 4,851,682,965.49/74,857.20
  6. Step 6: Final answer
    x = 64,812.51

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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.