Home / 106,796.25-147,381.39-69,136.11

Finding the Fourth Proportional to 106,796.25, 147,381.39 and 69,136.11

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Solution

The fourth proportional to 106,796.25, 147,381.39 and 69,136.11 is: 95,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,796.25 : 147,381.39 = 69,136.11 : x
  2. Step 2: Convert to fraction form
    106,796.25/147,381.39 = 69,136.11/x
  3. Step 3: Cross multiply
    106,796.25x = 147,381.39 × 69,136.11
  4. Step 4: Simplify right side
    106,796.25x = 10,189,375,990.99
  5. Step 5: Solve for x
    x = 10,189,375,990.99/106,796.25
  6. Step 6: Final answer
    x = 95,409.49

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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.