Home / 73,765.12-101,792.80-40,231.12

Finding the Fourth Proportional to 73,765.12, 101,792.80 and 40,231.12

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Solution

The fourth proportional to 73,765.12, 101,792.80 and 40,231.12 is: 55,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,765.12 : 101,792.80 = 40,231.12 : x
  2. Step 2: Convert to fraction form
    73,765.12/101,792.80 = 40,231.12/x
  3. Step 3: Cross multiply
    73,765.12x = 101,792.80 × 40,231.12
  4. Step 4: Simplify right side
    73,765.12x = 4,095,238,351.94
  5. Step 5: Solve for x
    x = 4,095,238,351.94/73,765.12
  6. Step 6: Final answer
    x = 55,517.27

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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.