Home / 79,694.20-109,973.70-45,704.12

Finding the Fourth Proportional to 79,694.20, 109,973.70 and 45,704.12

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Solution

The fourth proportional to 79,694.20, 109,973.70 and 45,704.12 is: 63,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,694.20 : 109,973.70 = 45,704.12 : x
  2. Step 2: Convert to fraction form
    79,694.20/109,973.70 = 45,704.12/x
  3. Step 3: Cross multiply
    79,694.20x = 109,973.70 × 45,704.12
  4. Step 4: Simplify right side
    79,694.20x = 5,026,251,181.64
  5. Step 5: Solve for x
    x = 5,026,251,181.64/79,694.20
  6. Step 6: Final answer
    x = 63,069.22

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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.