Home / 106,382.85-146,767.17-61,044.45

Finding the Fourth Proportional to 106,382.85, 146,767.17 and 61,044.45

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Solution

The fourth proportional to 106,382.85, 146,767.17 and 61,044.45 is: 84,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,382.85 : 146,767.17 = 61,044.45 : x
  2. Step 2: Convert to fraction form
    106,382.85/146,767.17 = 61,044.45/x
  3. Step 3: Cross multiply
    106,382.85x = 146,767.17 × 61,044.45
  4. Step 4: Simplify right side
    106,382.85x = 8,959,321,170.71
  5. Step 5: Solve for x
    x = 8,959,321,170.71/106,382.85
  6. Step 6: Final answer
    x = 84,217.72

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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.