Home / 54,394.16-81,515.30-29,380.28

Finding the Fourth Proportional to 54,394.16, 81,515.30 and 29,380.28

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Solution

The fourth proportional to 54,394.16, 81,515.30 and 29,380.28 is: 44,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,394.16 : 81,515.30 = 29,380.28 : x
  2. Step 2: Convert to fraction form
    54,394.16/81,515.30 = 29,380.28/x
  3. Step 3: Cross multiply
    54,394.16x = 81,515.30 × 29,380.28
  4. Step 4: Simplify right side
    54,394.16x = 2,394,941,783.81
  5. Step 5: Solve for x
    x = 2,394,941,783.81/54,394.16
  6. Step 6: Final answer
    x = 44,029.40

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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.