Home / 106,072.23-146,343.25-65,771.49

Finding the Fourth Proportional to 106,072.23, 146,343.25 and 65,771.49

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Solution

The fourth proportional to 106,072.23, 146,343.25 and 65,771.49 is: 90,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,072.23 : 146,343.25 = 65,771.49 : x
  2. Step 2: Convert to fraction form
    106,072.23/146,343.25 = 65,771.49/x
  3. Step 3: Cross multiply
    106,072.23x = 146,343.25 × 65,771.49
  4. Step 4: Simplify right side
    106,072.23x = 9,625,212,707.80
  5. Step 5: Solve for x
    x = 9,625,212,707.80/106,072.23
  6. Step 6: Final answer
    x = 90,742.06

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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.