Home / 106,359.39-146,777.76-68,699.25

Finding the Fourth Proportional to 106,359.39, 146,777.76 and 68,699.25

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Solution

The fourth proportional to 106,359.39, 146,777.76 and 68,699.25 is: 94,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,359.39 : 146,777.76 = 68,699.25 : x
  2. Step 2: Convert to fraction form
    106,359.39/146,777.76 = 68,699.25/x
  3. Step 3: Cross multiply
    106,359.39x = 146,777.76 × 68,699.25
  4. Step 4: Simplify right side
    106,359.39x = 10,083,522,028.68
  5. Step 5: Solve for x
    x = 10,083,522,028.68/106,359.39
  6. Step 6: Final answer
    x = 94,806.13

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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.