Home / 57,996.27-86,980.23-18,545.22

Finding the Fourth Proportional to 57,996.27, 86,980.23 and 18,545.22

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Solution

The fourth proportional to 57,996.27, 86,980.23 and 18,545.22 is: 27,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,996.27 : 86,980.23 = 18,545.22 : x
  2. Step 2: Convert to fraction form
    57,996.27/86,980.23 = 18,545.22/x
  3. Step 3: Cross multiply
    57,996.27x = 86,980.23 × 18,545.22
  4. Step 4: Simplify right side
    57,996.27x = 1,613,067,501.00
  5. Step 5: Solve for x
    x = 1,613,067,501.00/57,996.27
  6. Step 6: Final answer
    x = 27,813.30

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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.