Home / 79,327.20-109,470.90-43,028.56

Finding the Fourth Proportional to 79,327.20, 109,470.90 and 43,028.56

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Solution

The fourth proportional to 79,327.20, 109,470.90 and 43,028.56 is: 59,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,327.20 : 109,470.90 = 43,028.56 : x
  2. Step 2: Convert to fraction form
    79,327.20/109,470.90 = 43,028.56/x
  3. Step 3: Cross multiply
    79,327.20x = 109,470.90 × 43,028.56
  4. Step 4: Simplify right side
    79,327.20x = 4,710,374,904.25
  5. Step 5: Solve for x
    x = 4,710,374,904.25/79,327.20
  6. Step 6: Final answer
    x = 59,379.06

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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.