Home / 83,206.22-114,954.86-79,109.64

Finding the Fourth Proportional to 83,206.22, 114,954.86 and 79,109.64

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Solution

The fourth proportional to 83,206.22, 114,954.86 and 79,109.64 is: 109,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,206.22 : 114,954.86 = 79,109.64 : x
  2. Step 2: Convert to fraction form
    83,206.22/114,954.86 = 79,109.64/x
  3. Step 3: Cross multiply
    83,206.22x = 114,954.86 × 79,109.64
  4. Step 4: Simplify right side
    83,206.22x = 9,094,037,788.62
  5. Step 5: Solve for x
    x = 9,094,037,788.62/83,206.22
  6. Step 6: Final answer
    x = 109,295.17

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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.