Home / 84,268.20-126,361.80-25,083.12

Finding the Fourth Proportional to 84,268.20, 126,361.80 and 25,083.12

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Solution

The fourth proportional to 84,268.20, 126,361.80 and 25,083.12 is: 37,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,268.20 : 126,361.80 = 25,083.12 : x
  2. Step 2: Convert to fraction form
    84,268.20/126,361.80 = 25,083.12/x
  3. Step 3: Cross multiply
    84,268.20x = 126,361.80 × 25,083.12
  4. Step 4: Simplify right side
    84,268.20x = 3,169,548,192.82
  5. Step 5: Solve for x
    x = 3,169,548,192.82/84,268.20
  6. Step 6: Final answer
    x = 37,612.62

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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.