Home / 79,193.40-109,287.02-43,382.63

Finding the Fourth Proportional to 79,193.40, 109,287.02 and 43,382.63

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Solution

The fourth proportional to 79,193.40, 109,287.02 and 43,382.63 is: 59,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.40 : 109,287.02 = 43,382.63 : x
  2. Step 2: Convert to fraction form
    79,193.40/109,287.02 = 43,382.63/x
  3. Step 3: Cross multiply
    79,193.40x = 109,287.02 × 43,382.63
  4. Step 4: Simplify right side
    79,193.40x = 4,741,157,589.11
  5. Step 5: Solve for x
    x = 4,741,157,589.11/79,193.40
  6. Step 6: Final answer
    x = 59,868.09

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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.