Home / 116,836.37-161,233.99-63,121.22

Finding the Fourth Proportional to 116,836.37, 161,233.99 and 63,121.22

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Solution

The fourth proportional to 116,836.37, 161,233.99 and 63,121.22 is: 87,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,836.37 : 161,233.99 = 63,121.22 : x
  2. Step 2: Convert to fraction form
    116,836.37/161,233.99 = 63,121.22/x
  3. Step 3: Cross multiply
    116,836.37x = 161,233.99 × 63,121.22
  4. Step 4: Simplify right side
    116,836.37x = 10,177,287,056.92
  5. Step 5: Solve for x
    x = 10,177,287,056.92/116,836.37
  6. Step 6: Final answer
    x = 87,107.18

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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.