Home / 67,365.36-100,993.19-25,221.78

Finding the Fourth Proportional to 67,365.36, 100,993.19 and 25,221.78

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Solution

The fourth proportional to 67,365.36, 100,993.19 and 25,221.78 is: 37,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,365.36 : 100,993.19 = 25,221.78 : x
  2. Step 2: Convert to fraction form
    67,365.36/100,993.19 = 25,221.78/x
  3. Step 3: Cross multiply
    67,365.36x = 100,993.19 × 25,221.78
  4. Step 4: Simplify right side
    67,365.36x = 2,547,227,893.57
  5. Step 5: Solve for x
    x = 2,547,227,893.57/67,365.36
  6. Step 6: Final answer
    x = 37,812.13

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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.