Home / 106,512.12-159,806.52-45,696.96

Finding the Fourth Proportional to 106,512.12, 159,806.52 and 45,696.96

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Solution

The fourth proportional to 106,512.12, 159,806.52 and 45,696.96 is: 68,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,512.12 : 159,806.52 = 45,696.96 : x
  2. Step 2: Convert to fraction form
    106,512.12/159,806.52 = 45,696.96/x
  3. Step 3: Cross multiply
    106,512.12x = 159,806.52 × 45,696.96
  4. Step 4: Simplify right side
    106,512.12x = 7,302,672,152.18
  5. Step 5: Solve for x
    x = 7,302,672,152.18/106,512.12
  6. Step 6: Final answer
    x = 68,561.89

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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.