Home / 79,084.27-109,133.04-47,270.71

Finding the Fourth Proportional to 79,084.27, 109,133.04 and 47,270.71

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Solution

The fourth proportional to 79,084.27, 109,133.04 and 47,270.71 is: 65,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,084.27 : 109,133.04 = 47,270.71 : x
  2. Step 2: Convert to fraction form
    79,084.27/109,133.04 = 47,270.71/x
  3. Step 3: Cross multiply
    79,084.27x = 109,133.04 × 47,270.71
  4. Step 4: Simplify right side
    79,084.27x = 5,158,796,285.26
  5. Step 5: Solve for x
    x = 5,158,796,285.26/79,084.27
  6. Step 6: Final answer
    x = 65,231.64

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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.