Home / 106,322.42-146,553.91-71,856.37

Finding the Fourth Proportional to 106,322.42, 146,553.91 and 71,856.37

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Solution

The fourth proportional to 106,322.42, 146,553.91 and 71,856.37 is: 99,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,322.42 : 146,553.91 = 71,856.37 : x
  2. Step 2: Convert to fraction form
    106,322.42/146,553.91 = 71,856.37/x
  3. Step 3: Cross multiply
    106,322.42x = 146,553.91 × 71,856.37
  4. Step 4: Simplify right side
    106,322.42x = 10,530,831,161.09
  5. Step 5: Solve for x
    x = 10,530,831,161.09/106,322.42
  6. Step 6: Final answer
    x = 99,046.19

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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.