Home / 79,538.08-109,759.75-43,727.83

Finding the Fourth Proportional to 79,538.08, 109,759.75 and 43,727.83

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Solution

The fourth proportional to 79,538.08, 109,759.75 and 43,727.83 is: 60,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,538.08 : 109,759.75 = 43,727.83 : x
  2. Step 2: Convert to fraction form
    79,538.08/109,759.75 = 43,727.83/x
  3. Step 3: Cross multiply
    79,538.08x = 109,759.75 × 43,727.83
  4. Step 4: Simplify right side
    79,538.08x = 4,799,555,688.84
  5. Step 5: Solve for x
    x = 4,799,555,688.84/79,538.08
  6. Step 6: Final answer
    x = 60,342.87

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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.