Home / 55,439.01-83,198.66-22,168.40

Finding the Fourth Proportional to 55,439.01, 83,198.66 and 22,168.40

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Solution

The fourth proportional to 55,439.01, 83,198.66 and 22,168.40 is: 33,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.01 : 83,198.66 = 22,168.40 : x
  2. Step 2: Convert to fraction form
    55,439.01/83,198.66 = 22,168.40/x
  3. Step 3: Cross multiply
    55,439.01x = 83,198.66 × 22,168.40
  4. Step 4: Simplify right side
    55,439.01x = 1,844,380,647.51
  5. Step 5: Solve for x
    x = 1,844,380,647.51/55,439.01
  6. Step 6: Final answer
    x = 33,268.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.