Home / 106,112.63-146,435.51-58,369.61

Finding the Fourth Proportional to 106,112.63, 146,435.51 and 58,369.61

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Solution

The fourth proportional to 106,112.63, 146,435.51 and 58,369.61 is: 80,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,112.63 : 146,435.51 = 58,369.61 : x
  2. Step 2: Convert to fraction form
    106,112.63/146,435.51 = 58,369.61/x
  3. Step 3: Cross multiply
    106,112.63x = 146,435.51 × 58,369.61
  4. Step 4: Simplify right side
    106,112.63x = 8,547,383,608.85
  5. Step 5: Solve for x
    x = 8,547,383,608.85/106,112.63
  6. Step 6: Final answer
    x = 80,550.11

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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.