Home / 106,548.28-159,780.88-39,952.04

Finding the Fourth Proportional to 106,548.28, 159,780.88 and 39,952.04

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Solution

The fourth proportional to 106,548.28, 159,780.88 and 39,952.04 is: 59,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,548.28 : 159,780.88 = 39,952.04 : x
  2. Step 2: Convert to fraction form
    106,548.28/159,780.88 = 39,952.04/x
  3. Step 3: Cross multiply
    106,548.28x = 159,780.88 × 39,952.04
  4. Step 4: Simplify right side
    106,548.28x = 6,383,572,109.00
  5. Step 5: Solve for x
    x = 6,383,572,109.00/106,548.28
  6. Step 6: Final answer
    x = 59,912.48

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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.