Home / 71,776.83-98,949.38-50,490.03

Finding the Fourth Proportional to 71,776.83, 98,949.38 and 50,490.03

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Solution

The fourth proportional to 71,776.83, 98,949.38 and 50,490.03 is: 69,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,776.83 : 98,949.38 = 50,490.03 : x
  2. Step 2: Convert to fraction form
    71,776.83/98,949.38 = 50,490.03/x
  3. Step 3: Cross multiply
    71,776.83x = 98,949.38 × 50,490.03
  4. Step 4: Simplify right side
    71,776.83x = 4,995,957,164.68
  5. Step 5: Solve for x
    x = 4,995,957,164.68/71,776.83
  6. Step 6: Final answer
    x = 69,604.04

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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.