Home / 106,028.04-159,042.74-31,147.88

Finding the Fourth Proportional to 106,028.04, 159,042.74 and 31,147.88

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Solution

The fourth proportional to 106,028.04, 159,042.74 and 31,147.88 is: 46,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,028.04 : 159,042.74 = 31,147.88 : x
  2. Step 2: Convert to fraction form
    106,028.04/159,042.74 = 31,147.88/x
  3. Step 3: Cross multiply
    106,028.04x = 159,042.74 × 31,147.88
  4. Step 4: Simplify right side
    106,028.04x = 4,953,844,180.39
  5. Step 5: Solve for x
    x = 4,953,844,180.39/106,028.04
  6. Step 6: Final answer
    x = 46,722.02

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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.