Home / 67,415.24-101,135.87-25,859

Finding the Fourth Proportional to 67,415.24, 101,135.87 and 25,859

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Solution

The fourth proportional to 67,415.24, 101,135.87 and 25,859 is: 38,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,415.24 : 101,135.87 = 25,859 : x
  2. Step 2: Convert to fraction form
    67,415.24/101,135.87 = 25,859/x
  3. Step 3: Cross multiply
    67,415.24x = 101,135.87 × 25,859
  4. Step 4: Simplify right side
    67,415.24x = 2,615,272,462.33
  5. Step 5: Solve for x
    x = 2,615,272,462.33/67,415.24
  6. Step 6: Final answer
    x = 38,793.49

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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.