Home / 54,568.71-81,861.26-19,505.63

Finding the Fourth Proportional to 54,568.71, 81,861.26 and 19,505.63

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Solution

The fourth proportional to 54,568.71, 81,861.26 and 19,505.63 is: 29,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568.71 : 81,861.26 = 19,505.63 : x
  2. Step 2: Convert to fraction form
    54,568.71/81,861.26 = 19,505.63/x
  3. Step 3: Cross multiply
    54,568.71x = 81,861.26 × 19,505.63
  4. Step 4: Simplify right side
    54,568.71x = 1,596,754,942.06
  5. Step 5: Solve for x
    x = 1,596,754,942.06/54,568.71
  6. Step 6: Final answer
    x = 29,261.37

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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.