Home / 83,614.85-115,388.49-50,080.85

Finding the Fourth Proportional to 83,614.85, 115,388.49 and 50,080.85

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Solution

The fourth proportional to 83,614.85, 115,388.49 and 50,080.85 is: 69,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,614.85 : 115,388.49 = 50,080.85 : x
  2. Step 2: Convert to fraction form
    83,614.85/115,388.49 = 50,080.85/x
  3. Step 3: Cross multiply
    83,614.85x = 115,388.49 × 50,080.85
  4. Step 4: Simplify right side
    83,614.85x = 5,778,752,832.07
  5. Step 5: Solve for x
    x = 5,778,752,832.07/83,614.85
  6. Step 6: Final answer
    x = 69,111.57

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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.