Home / 117,813.69-162,581.58-70,067.84

Finding the Fourth Proportional to 117,813.69, 162,581.58 and 70,067.84

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Solution

The fourth proportional to 117,813.69, 162,581.58 and 70,067.84 is: 96,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,813.69 : 162,581.58 = 70,067.84 : x
  2. Step 2: Convert to fraction form
    117,813.69/162,581.58 = 70,067.84/x
  3. Step 3: Cross multiply
    117,813.69x = 162,581.58 × 70,067.84
  4. Step 4: Simplify right side
    117,813.69x = 11,391,739,321.48
  5. Step 5: Solve for x
    x = 11,391,739,321.48/117,813.69
  6. Step 6: Final answer
    x = 96,692.83

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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.