Home / 79,266.20-109,388.88-43,454.07

Finding the Fourth Proportional to 79,266.20, 109,388.88 and 43,454.07

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Solution

The fourth proportional to 79,266.20, 109,388.88 and 43,454.07 is: 59,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,266.20 : 109,388.88 = 43,454.07 : x
  2. Step 2: Convert to fraction form
    79,266.20/109,388.88 = 43,454.07/x
  3. Step 3: Cross multiply
    79,266.20x = 109,388.88 × 43,454.07
  4. Step 4: Simplify right side
    79,266.20x = 4,753,392,048.74
  5. Step 5: Solve for x
    x = 4,753,392,048.74/79,266.20
  6. Step 6: Final answer
    x = 59,967.46

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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.