Home / 106,514.30-159,710.70-39,956.60

Finding the Fourth Proportional to 106,514.30, 159,710.70 and 39,956.60

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Solution

The fourth proportional to 106,514.30, 159,710.70 and 39,956.60 is: 59,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,514.30 : 159,710.70 = 39,956.60 : x
  2. Step 2: Convert to fraction form
    106,514.30/159,710.70 = 39,956.60/x
  3. Step 3: Cross multiply
    106,514.30x = 159,710.70 × 39,956.60
  4. Step 4: Simplify right side
    106,514.30x = 6,381,496,555.62
  5. Step 5: Solve for x
    x = 6,381,496,555.62/106,514.30
  6. Step 6: Final answer
    x = 59,912.11

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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.