Home / 54,246.10-81,361.65-16,831.90

Finding the Fourth Proportional to 54,246.10, 81,361.65 and 16,831.90

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Solution

The fourth proportional to 54,246.10, 81,361.65 and 16,831.90 is: 25,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,246.10 : 81,361.65 = 16,831.90 : x
  2. Step 2: Convert to fraction form
    54,246.10/81,361.65 = 16,831.90/x
  3. Step 3: Cross multiply
    54,246.10x = 81,361.65 × 16,831.90
  4. Step 4: Simplify right side
    54,246.10x = 1,369,471,156.64
  5. Step 5: Solve for x
    x = 1,369,471,156.64/54,246.10
  6. Step 6: Final answer
    x = 25,245.52

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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.