Home / 68,422.94-94,421.82-38,207.42

Finding the Fourth Proportional to 68,422.94, 94,421.82 and 38,207.42

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Solution

The fourth proportional to 68,422.94, 94,421.82 and 38,207.42 is: 52,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,422.94 : 94,421.82 = 38,207.42 : x
  2. Step 2: Convert to fraction form
    68,422.94/94,421.82 = 38,207.42/x
  3. Step 3: Cross multiply
    68,422.94x = 94,421.82 × 38,207.42
  4. Step 4: Simplify right side
    68,422.94x = 3,607,614,133.90
  5. Step 5: Solve for x
    x = 3,607,614,133.90/68,422.94
  6. Step 6: Final answer
    x = 52,725.21

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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.