Home / 79,684.64-109,960.68-43,867.72

Finding the Fourth Proportional to 79,684.64, 109,960.68 and 43,867.72

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Solution

The fourth proportional to 79,684.64, 109,960.68 and 43,867.72 is: 60,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,684.64 : 109,960.68 = 43,867.72 : x
  2. Step 2: Convert to fraction form
    79,684.64/109,960.68 = 43,867.72/x
  3. Step 3: Cross multiply
    79,684.64x = 109,960.68 × 43,867.72
  4. Step 4: Simplify right side
    79,684.64x = 4,823,724,321.25
  5. Step 5: Solve for x
    x = 4,823,724,321.25/79,684.64
  6. Step 6: Final answer
    x = 60,535.18

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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.