Home / 105,001.25-157,469.06-45,821.03

Finding the Fourth Proportional to 105,001.25, 157,469.06 and 45,821.03

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Solution

The fourth proportional to 105,001.25, 157,469.06 and 45,821.03 is: 68,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,001.25 : 157,469.06 = 45,821.03 : x
  2. Step 2: Convert to fraction form
    105,001.25/157,469.06 = 45,821.03/x
  3. Step 3: Cross multiply
    105,001.25x = 157,469.06 × 45,821.03
  4. Step 4: Simplify right side
    105,001.25x = 7,215,393,849.54
  5. Step 5: Solve for x
    x = 7,215,393,849.54/105,001.25
  6. Step 6: Final answer
    x = 68,717.22

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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.