Home / 55,422.90-83,162.16-25,843.05

Finding the Fourth Proportional to 55,422.90, 83,162.16 and 25,843.05

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Solution

The fourth proportional to 55,422.90, 83,162.16 and 25,843.05 is: 38,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.90 : 83,162.16 = 25,843.05 : x
  2. Step 2: Convert to fraction form
    55,422.90/83,162.16 = 25,843.05/x
  3. Step 3: Cross multiply
    55,422.90x = 83,162.16 × 25,843.05
  4. Step 4: Simplify right side
    55,422.90x = 2,149,163,858.99
  5. Step 5: Solve for x
    x = 2,149,163,858.99/55,422.90
  6. Step 6: Final answer
    x = 38,777.54

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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.