Home / 106,057.28-146,357.35-58,309.61

Finding the Fourth Proportional to 106,057.28, 146,357.35 and 58,309.61

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Solution

The fourth proportional to 106,057.28, 146,357.35 and 58,309.61 is: 80,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,057.28 : 146,357.35 = 58,309.61 : x
  2. Step 2: Convert to fraction form
    106,057.28/146,357.35 = 58,309.61/x
  3. Step 3: Cross multiply
    106,057.28x = 146,357.35 × 58,309.61
  4. Step 4: Simplify right side
    106,057.28x = 8,534,039,121.57
  5. Step 5: Solve for x
    x = 8,534,039,121.57/106,057.28
  6. Step 6: Final answer
    x = 80,466.32

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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.