Home / 106,727.72-147,218.99-68,474.25

Finding the Fourth Proportional to 106,727.72, 147,218.99 and 68,474.25

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Solution

The fourth proportional to 106,727.72, 147,218.99 and 68,474.25 is: 94,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,727.72 : 147,218.99 = 68,474.25 : x
  2. Step 2: Convert to fraction form
    106,727.72/147,218.99 = 68,474.25/x
  3. Step 3: Cross multiply
    106,727.72x = 147,218.99 × 68,474.25
  4. Step 4: Simplify right side
    106,727.72x = 10,080,709,583.64
  5. Step 5: Solve for x
    x = 10,080,709,583.64/106,727.72
  6. Step 6: Final answer
    x = 94,452.59

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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.