Home / 67,632.88-101,383.36-28,201.26

Finding the Fourth Proportional to 67,632.88, 101,383.36 and 28,201.26

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Solution

The fourth proportional to 67,632.88, 101,383.36 and 28,201.26 is: 42,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,632.88 : 101,383.36 = 28,201.26 : x
  2. Step 2: Convert to fraction form
    67,632.88/101,383.36 = 28,201.26/x
  3. Step 3: Cross multiply
    67,632.88x = 101,383.36 × 28,201.26
  4. Step 4: Simplify right side
    67,632.88x = 2,859,138,495.03
  5. Step 5: Solve for x
    x = 2,859,138,495.03/67,632.88
  6. Step 6: Final answer
    x = 42,274.39

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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.