Home / 67,140.84-100,648.32-22,736.58

Finding the Fourth Proportional to 67,140.84, 100,648.32 and 22,736.58

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Solution

The fourth proportional to 67,140.84, 100,648.32 and 22,736.58 is: 34,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,140.84 : 100,648.32 = 22,736.58 : x
  2. Step 2: Convert to fraction form
    67,140.84/100,648.32 = 22,736.58/x
  3. Step 3: Cross multiply
    67,140.84x = 100,648.32 × 22,736.58
  4. Step 4: Simplify right side
    67,140.84x = 2,288,398,579.55
  5. Step 5: Solve for x
    x = 2,288,398,579.55/67,140.84
  6. Step 6: Final answer
    x = 34,083.56

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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.