Home / 106,979.22-147,632.49-59,233.44

Finding the Fourth Proportional to 106,979.22, 147,632.49 and 59,233.44

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Solution

The fourth proportional to 106,979.22, 147,632.49 and 59,233.44 is: 81,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,979.22 : 147,632.49 = 59,233.44 : x
  2. Step 2: Convert to fraction form
    106,979.22/147,632.49 = 59,233.44/x
  3. Step 3: Cross multiply
    106,979.22x = 147,632.49 × 59,233.44
  4. Step 4: Simplify right side
    106,979.22x = 8,744,780,238.47
  5. Step 5: Solve for x
    x = 8,744,780,238.47/106,979.22
  6. Step 6: Final answer
    x = 81,742.79

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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.