Home / 54,233.40-81,350.10-53,887.80

Finding the Fourth Proportional to 54,233.40, 81,350.10 and 53,887.80

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Solution

The fourth proportional to 54,233.40, 81,350.10 and 53,887.80 is: 80,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,233.40 : 81,350.10 = 53,887.80 : x
  2. Step 2: Convert to fraction form
    54,233.40/81,350.10 = 53,887.80/x
  3. Step 3: Cross multiply
    54,233.40x = 81,350.10 × 53,887.80
  4. Step 4: Simplify right side
    54,233.40x = 4,383,777,918.78
  5. Step 5: Solve for x
    x = 4,383,777,918.78/54,233.40
  6. Step 6: Final answer
    x = 80,831.70

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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.