Home / 57,932.10-86,899.66-18,489.16

Finding the Fourth Proportional to 57,932.10, 86,899.66 and 18,489.16

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Solution

The fourth proportional to 57,932.10, 86,899.66 and 18,489.16 is: 27,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,932.10 : 86,899.66 = 18,489.16 : x
  2. Step 2: Convert to fraction form
    57,932.10/86,899.66 = 18,489.16/x
  3. Step 3: Cross multiply
    57,932.10x = 86,899.66 × 18,489.16
  4. Step 4: Simplify right side
    57,932.10x = 1,606,701,717.69
  5. Step 5: Solve for x
    x = 1,606,701,717.69/57,932.10
  6. Step 6: Final answer
    x = 27,734.22

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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.