Home / 83,716.24-115,530.60-45,991.48

Finding the Fourth Proportional to 83,716.24, 115,530.60 and 45,991.48

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Solution

The fourth proportional to 83,716.24, 115,530.60 and 45,991.48 is: 63,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,716.24 : 115,530.60 = 45,991.48 : x
  2. Step 2: Convert to fraction form
    83,716.24/115,530.60 = 45,991.48/x
  3. Step 3: Cross multiply
    83,716.24x = 115,530.60 × 45,991.48
  4. Step 4: Simplify right side
    83,716.24x = 5,313,423,279.29
  5. Step 5: Solve for x
    x = 5,313,423,279.29/83,716.24
  6. Step 6: Final answer
    x = 63,469.44

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1.5x scale

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.