Home / 54,921.34-82,382.06-16,971.42

Finding the Fourth Proportional to 54,921.34, 82,382.06 and 16,971.42

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Solution

The fourth proportional to 54,921.34, 82,382.06 and 16,971.42 is: 25,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.34 : 82,382.06 = 16,971.42 : x
  2. Step 2: Convert to fraction form
    54,921.34/82,382.06 = 16,971.42/x
  3. Step 3: Cross multiply
    54,921.34x = 82,382.06 × 16,971.42
  4. Step 4: Simplify right side
    54,921.34x = 1,398,140,892.09
  5. Step 5: Solve for x
    x = 1,398,140,892.09/54,921.34
  6. Step 6: Final answer
    x = 25,457.15

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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.