Home / 96,131.07-143,872.20-68,607.81

Finding the Fourth Proportional to 96,131.07, 143,872.20 and 68,607.81

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Solution

The fourth proportional to 96,131.07, 143,872.20 and 68,607.81 is: 102,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,131.07 : 143,872.20 = 68,607.81 : x
  2. Step 2: Convert to fraction form
    96,131.07/143,872.20 = 68,607.81/x
  3. Step 3: Cross multiply
    96,131.07x = 143,872.20 × 68,607.81
  4. Step 4: Simplify right side
    96,131.07x = 9,870,756,561.88
  5. Step 5: Solve for x
    x = 9,870,756,561.88/96,131.07
  6. Step 6: Final answer
    x = 102,680.19

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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.