Home / 106,116.66-159,120.23-31,227.08

Finding the Fourth Proportional to 106,116.66, 159,120.23 and 31,227.08

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Solution

The fourth proportional to 106,116.66, 159,120.23 and 31,227.08 is: 46,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,116.66 : 159,120.23 = 31,227.08 : x
  2. Step 2: Convert to fraction form
    106,116.66/159,120.23 = 31,227.08/x
  3. Step 3: Cross multiply
    106,116.66x = 159,120.23 × 31,227.08
  4. Step 4: Simplify right side
    106,116.66x = 4,968,859,200.09
  5. Step 5: Solve for x
    x = 4,968,859,200.09/106,116.66
  6. Step 6: Final answer
    x = 46,824.50

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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.