Home / 106,566.20-159,849.26-31,686.04

Finding the Fourth Proportional to 106,566.20, 159,849.26 and 31,686.04

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Solution

The fourth proportional to 106,566.20, 159,849.26 and 31,686.04 is: 47,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,566.20 : 159,849.26 = 31,686.04 : x
  2. Step 2: Convert to fraction form
    106,566.20/159,849.26 = 31,686.04/x
  3. Step 3: Cross multiply
    106,566.20x = 159,849.26 × 31,686.04
  4. Step 4: Simplify right side
    106,566.20x = 5,064,990,046.33
  5. Step 5: Solve for x
    x = 5,064,990,046.33/106,566.20
  6. Step 6: Final answer
    x = 47,529.05

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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.