Home / 106,217.91-146,578.14-58,470.84

Finding the Fourth Proportional to 106,217.91, 146,578.14 and 58,470.84

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Solution

The fourth proportional to 106,217.91, 146,578.14 and 58,470.84 is: 80,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,217.91 : 146,578.14 = 58,470.84 : x
  2. Step 2: Convert to fraction form
    106,217.91/146,578.14 = 58,470.84/x
  3. Step 3: Cross multiply
    106,217.91x = 146,578.14 × 58,470.84
  4. Step 4: Simplify right side
    106,217.91x = 8,570,546,971.44
  5. Step 5: Solve for x
    x = 8,570,546,971.44/106,217.91
  6. Step 6: Final answer
    x = 80,688.34

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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.