Home / 68,122.62-94,020.48-39,822.84

Finding the Fourth Proportional to 68,122.62, 94,020.48 and 39,822.84

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Solution

The fourth proportional to 68,122.62, 94,020.48 and 39,822.84 is: 54,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,122.62 : 94,020.48 = 39,822.84 : x
  2. Step 2: Convert to fraction form
    68,122.62/94,020.48 = 39,822.84/x
  3. Step 3: Cross multiply
    68,122.62x = 94,020.48 × 39,822.84
  4. Step 4: Simplify right side
    68,122.62x = 3,744,162,531.76
  5. Step 5: Solve for x
    x = 3,744,162,531.76/68,122.62
  6. Step 6: Final answer
    x = 54,962.10

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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.