Home / 106,126.76-159,160.98-31,243.88

Finding the Fourth Proportional to 106,126.76, 159,160.98 and 31,243.88

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Solution

The fourth proportional to 106,126.76, 159,160.98 and 31,243.88 is: 46,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,126.76 : 159,160.98 = 31,243.88 : x
  2. Step 2: Convert to fraction form
    106,126.76/159,160.98 = 31,243.88/x
  3. Step 3: Cross multiply
    106,126.76x = 159,160.98 × 31,243.88
  4. Step 4: Simplify right side
    106,126.76x = 4,972,806,559.80
  5. Step 5: Solve for x
    x = 4,972,806,559.80/106,126.76
  6. Step 6: Final answer
    x = 46,857.24

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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.