Home / 66,864.74-100,167.10-37,192.61

Finding the Fourth Proportional to 66,864.74, 100,167.10 and 37,192.61

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Solution

The fourth proportional to 66,864.74, 100,167.10 and 37,192.61 is: 55,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864.74 : 100,167.10 = 37,192.61 : x
  2. Step 2: Convert to fraction form
    66,864.74/100,167.10 = 37,192.61/x
  3. Step 3: Cross multiply
    66,864.74x = 100,167.10 × 37,192.61
  4. Step 4: Simplify right side
    66,864.74x = 3,725,476,042.57
  5. Step 5: Solve for x
    x = 3,725,476,042.57/66,864.74
  6. Step 6: Final answer
    x = 55,716.61

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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.