Home / 68,455.47-94,429.13-41,212.61

Finding the Fourth Proportional to 68,455.47, 94,429.13 and 41,212.61

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Solution

The fourth proportional to 68,455.47, 94,429.13 and 41,212.61 is: 56,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,455.47 : 94,429.13 = 41,212.61 : x
  2. Step 2: Convert to fraction form
    68,455.47/94,429.13 = 41,212.61/x
  3. Step 3: Cross multiply
    68,455.47x = 94,429.13 × 41,212.61
  4. Step 4: Simplify right side
    68,455.47x = 3,891,670,229.12
  5. Step 5: Solve for x
    x = 3,891,670,229.12/68,455.47
  6. Step 6: Final answer
    x = 56,849.66

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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.