Home / 79,194.41-109,288.94-43,387.76

Finding the Fourth Proportional to 79,194.41, 109,288.94 and 43,387.76

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Solution

The fourth proportional to 79,194.41, 109,288.94 and 43,387.76 is: 59,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,194.41 : 109,288.94 = 43,387.76 : x
  2. Step 2: Convert to fraction form
    79,194.41/109,288.94 = 43,387.76/x
  3. Step 3: Cross multiply
    79,194.41x = 109,288.94 × 43,387.76
  4. Step 4: Simplify right side
    79,194.41x = 4,741,801,535.99
  5. Step 5: Solve for x
    x = 4,741,801,535.99/79,194.41
  6. Step 6: Final answer
    x = 59,875.46

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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.