Home / 79,530.91-109,754.77-43,234.81

Finding the Fourth Proportional to 79,530.91, 109,754.77 and 43,234.81

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Solution

The fourth proportional to 79,530.91, 109,754.77 and 43,234.81 is: 59,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,530.91 : 109,754.77 = 43,234.81 : x
  2. Step 2: Convert to fraction form
    79,530.91/109,754.77 = 43,234.81/x
  3. Step 3: Cross multiply
    79,530.91x = 109,754.77 × 43,234.81
  4. Step 4: Simplify right side
    79,530.91x = 4,745,226,627.54
  5. Step 5: Solve for x
    x = 4,745,226,627.54/79,530.91
  6. Step 6: Final answer
    x = 59,665.19

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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.