Home / 124,829.97-172,265.45-68,241.39

Finding the Fourth Proportional to 124,829.97, 172,265.45 and 68,241.39

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Solution

The fourth proportional to 124,829.97, 172,265.45 and 68,241.39 is: 94,173.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,829.97 : 172,265.45 = 68,241.39 : x
  2. Step 2: Convert to fraction form
    124,829.97/172,265.45 = 68,241.39/x
  3. Step 3: Cross multiply
    124,829.97x = 172,265.45 × 68,241.39
  4. Step 4: Simplify right side
    124,829.97x = 11,755,633,756.98
  5. Step 5: Solve for x
    x = 11,755,633,756.98/124,829.97
  6. Step 6: Final answer
    x = 94,173.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.