Home / 54,086.04-81,016.06-43,498.80

Finding the Fourth Proportional to 54,086.04, 81,016.06 and 43,498.80

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Solution

The fourth proportional to 54,086.04, 81,016.06 and 43,498.80 is: 65,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,086.04 : 81,016.06 = 43,498.80 : x
  2. Step 2: Convert to fraction form
    54,086.04/81,016.06 = 43,498.80/x
  3. Step 3: Cross multiply
    54,086.04x = 81,016.06 × 43,498.80
  4. Step 4: Simplify right side
    54,086.04x = 3,524,101,390.73
  5. Step 5: Solve for x
    x = 3,524,101,390.73/54,086.04
  6. Step 6: Final answer
    x = 65,157.32

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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.