Home / 40,744.03-61,116.09-11,162.12

Finding the Fourth Proportional to 40,744.03, 61,116.09 and 11,162.12

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Solution

The fourth proportional to 40,744.03, 61,116.09 and 11,162.12 is: 16,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,744.03 : 61,116.09 = 11,162.12 : x
  2. Step 2: Convert to fraction form
    40,744.03/61,116.09 = 11,162.12/x
  3. Step 3: Cross multiply
    40,744.03x = 61,116.09 × 11,162.12
  4. Step 4: Simplify right side
    40,744.03x = 682,185,130.51
  5. Step 5: Solve for x
    x = 682,185,130.51/40,744.03
  6. Step 6: Final answer
    x = 16,743.19

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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.