Home / 79,847.39-119,782.02-27,242.75

Finding the Fourth Proportional to 79,847.39, 119,782.02 and 27,242.75

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Solution

The fourth proportional to 79,847.39, 119,782.02 and 27,242.75 is: 40,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,847.39 : 119,782.02 = 27,242.75 : x
  2. Step 2: Convert to fraction form
    79,847.39/119,782.02 = 27,242.75/x
  3. Step 3: Cross multiply
    79,847.39x = 119,782.02 × 27,242.75
  4. Step 4: Simplify right side
    79,847.39x = 3,263,191,625.36
  5. Step 5: Solve for x
    x = 3,263,191,625.36/79,847.39
  6. Step 6: Final answer
    x = 40,867.86

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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.