Home / 117,699.26-162,421.56-66,716.69

Finding the Fourth Proportional to 117,699.26, 162,421.56 and 66,716.69

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Solution

The fourth proportional to 117,699.26, 162,421.56 and 66,716.69 is: 92,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,699.26 : 162,421.56 = 66,716.69 : x
  2. Step 2: Convert to fraction form
    117,699.26/162,421.56 = 66,716.69/x
  3. Step 3: Cross multiply
    117,699.26x = 162,421.56 × 66,716.69
  4. Step 4: Simplify right side
    117,699.26x = 10,836,228,055.73
  5. Step 5: Solve for x
    x = 10,836,228,055.73/117,699.26
  6. Step 6: Final answer
    x = 92,067.09

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1.5x scale

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.