Home / 67,420.36-101,144.94-25,867

Finding the Fourth Proportional to 67,420.36, 101,144.94 and 25,867

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Solution

The fourth proportional to 67,420.36, 101,144.94 and 25,867 is: 38,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.36 : 101,144.94 = 25,867 : x
  2. Step 2: Convert to fraction form
    67,420.36/101,144.94 = 25,867/x
  3. Step 3: Cross multiply
    67,420.36x = 101,144.94 × 25,867
  4. Step 4: Simplify right side
    67,420.36x = 2,616,316,162.98
  5. Step 5: Solve for x
    x = 2,616,316,162.98/67,420.36
  6. Step 6: Final answer
    x = 38,806.02

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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.