Home / 67,112.50-100,668.75-17,864.50

Finding the Fourth Proportional to 67,112.50, 100,668.75 and 17,864.50

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Solution

The fourth proportional to 67,112.50, 100,668.75 and 17,864.50 is: 26,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,112.50 : 100,668.75 = 17,864.50 : x
  2. Step 2: Convert to fraction form
    67,112.50/100,668.75 = 17,864.50/x
  3. Step 3: Cross multiply
    67,112.50x = 100,668.75 × 17,864.50
  4. Step 4: Simplify right side
    67,112.50x = 1,798,396,884.38
  5. Step 5: Solve for x
    x = 1,798,396,884.38/67,112.50
  6. Step 6: Final answer
    x = 26,796.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.