Home / 116,395.50-160,620.61-68,001.92

Finding the Fourth Proportional to 116,395.50, 160,620.61 and 68,001.92

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Solution

The fourth proportional to 116,395.50, 160,620.61 and 68,001.92 is: 93,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,395.50 : 160,620.61 = 68,001.92 : x
  2. Step 2: Convert to fraction form
    116,395.50/160,620.61 = 68,001.92/x
  3. Step 3: Cross multiply
    116,395.50x = 160,620.61 × 68,001.92
  4. Step 4: Simplify right side
    116,395.50x = 10,922,508,728.46
  5. Step 5: Solve for x
    x = 10,922,508,728.46/116,395.50
  6. Step 6: Final answer
    x = 93,839.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.