Home / 106,716.69-147,278.66-58,979.34

Finding the Fourth Proportional to 106,716.69, 147,278.66 and 58,979.34

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Solution

The fourth proportional to 106,716.69, 147,278.66 and 58,979.34 is: 81,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,716.69 : 147,278.66 = 58,979.34 : x
  2. Step 2: Convert to fraction form
    106,716.69/147,278.66 = 58,979.34/x
  3. Step 3: Cross multiply
    106,716.69x = 147,278.66 × 58,979.34
  4. Step 4: Simplify right side
    106,716.69x = 8,686,397,867.99
  5. Step 5: Solve for x
    x = 8,686,397,867.99/106,716.69
  6. Step 6: Final answer
    x = 81,396.81

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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.