Home / 54,086.40-81,141.12-22,936.32

Finding the Fourth Proportional to 54,086.40, 81,141.12 and 22,936.32

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Solution

The fourth proportional to 54,086.40, 81,141.12 and 22,936.32 is: 34,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,086.40 : 81,141.12 = 22,936.32 : x
  2. Step 2: Convert to fraction form
    54,086.40/81,141.12 = 22,936.32/x
  3. Step 3: Cross multiply
    54,086.40x = 81,141.12 × 22,936.32
  4. Step 4: Simplify right side
    54,086.40x = 1,861,078,693.48
  5. Step 5: Solve for x
    x = 1,861,078,693.48/54,086.40
  6. Step 6: Final answer
    x = 34,409.37

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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.