Home / 83,923.30-115,816.26-45,684.91

Finding the Fourth Proportional to 83,923.30, 115,816.26 and 45,684.91

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Solution

The fourth proportional to 83,923.30, 115,816.26 and 45,684.91 is: 63,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,923.30 : 115,816.26 = 45,684.91 : x
  2. Step 2: Convert to fraction form
    83,923.30/115,816.26 = 45,684.91/x
  3. Step 3: Cross multiply
    83,923.30x = 115,816.26 × 45,684.91
  4. Step 4: Simplify right side
    83,923.30x = 5,291,055,414.64
  5. Step 5: Solve for x
    x = 5,291,055,414.64/83,923.30
  6. Step 6: Final answer
    x = 63,046.32

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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.