Home / 79,811.28-119,738.88-23,654.16

Finding the Fourth Proportional to 79,811.28, 119,738.88 and 23,654.16

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Solution

The fourth proportional to 79,811.28, 119,738.88 and 23,654.16 is: 35,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,811.28 : 119,738.88 = 23,654.16 : x
  2. Step 2: Convert to fraction form
    79,811.28/119,738.88 = 23,654.16/x
  3. Step 3: Cross multiply
    79,811.28x = 119,738.88 × 23,654.16
  4. Step 4: Simplify right side
    79,811.28x = 2,832,322,625.74
  5. Step 5: Solve for x
    x = 2,832,322,625.74/79,811.28
  6. Step 6: Final answer
    x = 35,487.75

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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.