Home / 94,786.32-142,078.44-71,340.24

Finding the Fourth Proportional to 94,786.32, 142,078.44 and 71,340.24

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Solution

The fourth proportional to 94,786.32, 142,078.44 and 71,340.24 is: 106,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,786.32 : 142,078.44 = 71,340.24 : x
  2. Step 2: Convert to fraction form
    94,786.32/142,078.44 = 71,340.24/x
  3. Step 3: Cross multiply
    94,786.32x = 142,078.44 × 71,340.24
  4. Step 4: Simplify right side
    94,786.32x = 10,135,910,008.43
  5. Step 5: Solve for x
    x = 10,135,910,008.43/94,786.32
  6. Step 6: Final answer
    x = 106,934.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.