Home / 79,695.04-119,542.56-27,142.24

Finding the Fourth Proportional to 79,695.04, 119,542.56 and 27,142.24

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Solution

The fourth proportional to 79,695.04, 119,542.56 and 27,142.24 is: 40,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,695.04 : 119,542.56 = 27,142.24 : x
  2. Step 2: Convert to fraction form
    79,695.04/119,542.56 = 27,142.24/x
  3. Step 3: Cross multiply
    79,695.04x = 119,542.56 × 27,142.24
  4. Step 4: Simplify right side
    79,695.04x = 3,244,652,853.73
  5. Step 5: Solve for x
    x = 3,244,652,853.73/79,695.04
  6. Step 6: Final answer
    x = 40,713.36

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1.5x scale

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.