Home / 55,190.01-76,163.84-39,086.13

Finding the Fourth Proportional to 55,190.01, 76,163.84 and 39,086.13

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Solution

The fourth proportional to 55,190.01, 76,163.84 and 39,086.13 is: 53,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,190.01 : 76,163.84 = 39,086.13 : x
  2. Step 2: Convert to fraction form
    55,190.01/76,163.84 = 39,086.13/x
  3. Step 3: Cross multiply
    55,190.01x = 76,163.84 × 39,086.13
  4. Step 4: Simplify right side
    55,190.01x = 2,976,949,751.54
  5. Step 5: Solve for x
    x = 2,976,949,751.54/55,190.01
  6. Step 6: Final answer
    x = 53,940.01

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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.