Home / 106,040.36-159,044.04-68,864.00

Finding the Fourth Proportional to 106,040.36, 159,044.04 and 68,864.00

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Solution

The fourth proportional to 106,040.36, 159,044.04 and 68,864.00 is: 103,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,040.36 : 159,044.04 = 68,864.00 : x
  2. Step 2: Convert to fraction form
    106,040.36/159,044.04 = 68,864.00/x
  3. Step 3: Cross multiply
    106,040.36x = 159,044.04 × 68,864.00
  4. Step 4: Simplify right side
    106,040.36x = 10,952,407,975.34
  5. Step 5: Solve for x
    x = 10,952,407,975.34/106,040.36
  6. Step 6: Final answer
    x = 103,285.27

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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.