Home / 79,384.41-109,550.07-43,575.03

Finding the Fourth Proportional to 79,384.41, 109,550.07 and 43,575.03

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Solution

The fourth proportional to 79,384.41, 109,550.07 and 43,575.03 is: 60,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,384.41 : 109,550.07 = 43,575.03 : x
  2. Step 2: Convert to fraction form
    79,384.41/109,550.07 = 43,575.03/x
  3. Step 3: Cross multiply
    79,384.41x = 109,550.07 × 43,575.03
  4. Step 4: Simplify right side
    79,384.41x = 4,773,647,586.75
  5. Step 5: Solve for x
    x = 4,773,647,586.75/79,384.41
  6. Step 6: Final answer
    x = 60,133.31

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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.