Home / 76,066.35-104,936.64-49,217.61

Finding the Fourth Proportional to 76,066.35, 104,936.64 and 49,217.61

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Solution

The fourth proportional to 76,066.35, 104,936.64 and 49,217.61 is: 67,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,066.35 : 104,936.64 = 49,217.61 : x
  2. Step 2: Convert to fraction form
    76,066.35/104,936.64 = 49,217.61/x
  3. Step 3: Cross multiply
    76,066.35x = 104,936.64 × 49,217.61
  4. Step 4: Simplify right side
    76,066.35x = 5,164,730,622.23
  5. Step 5: Solve for x
    x = 5,164,730,622.23/76,066.35
  6. Step 6: Final answer
    x = 67,897.71

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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.