Home / 67,850.89-101,823.72-27,872.95

Finding the Fourth Proportional to 67,850.89, 101,823.72 and 27,872.95

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Solution

The fourth proportional to 67,850.89, 101,823.72 and 27,872.95 is: 41,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,850.89 : 101,823.72 = 27,872.95 : x
  2. Step 2: Convert to fraction form
    67,850.89/101,823.72 = 27,872.95/x
  3. Step 3: Cross multiply
    67,850.89x = 101,823.72 × 27,872.95
  4. Step 4: Simplify right side
    67,850.89x = 2,838,127,456.37
  5. Step 5: Solve for x
    x = 2,838,127,456.37/67,850.89
  6. Step 6: Final answer
    x = 41,828.89

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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.