Home / 83,898.27-115,782.03-45,660.29

Finding the Fourth Proportional to 83,898.27, 115,782.03 and 45,660.29

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Solution

The fourth proportional to 83,898.27, 115,782.03 and 45,660.29 is: 63,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,898.27 : 115,782.03 = 45,660.29 : x
  2. Step 2: Convert to fraction form
    83,898.27/115,782.03 = 45,660.29/x
  3. Step 3: Cross multiply
    83,898.27x = 115,782.03 × 45,660.29
  4. Step 4: Simplify right side
    83,898.27x = 5,286,640,487.68
  5. Step 5: Solve for x
    x = 5,286,640,487.68/83,898.27
  6. Step 6: Final answer
    x = 63,012.51

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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.