Home / 79,365.20-109,523.63-43,555.79

Finding the Fourth Proportional to 79,365.20, 109,523.63 and 43,555.79

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Solution

The fourth proportional to 79,365.20, 109,523.63 and 43,555.79 is: 60,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,365.20 : 109,523.63 = 43,555.79 : x
  2. Step 2: Convert to fraction form
    79,365.20/109,523.63 = 43,555.79/x
  3. Step 3: Cross multiply
    79,365.20x = 109,523.63 × 43,555.79
  4. Step 4: Simplify right side
    79,365.20x = 4,770,387,462.92
  5. Step 5: Solve for x
    x = 4,770,387,462.92/79,365.20
  6. Step 6: Final answer
    x = 60,106.79

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1.5x scale

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.