Home / 57,127.38-85,667.49-21,582.66

Finding the Fourth Proportional to 57,127.38, 85,667.49 and 21,582.66

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Solution

The fourth proportional to 57,127.38, 85,667.49 and 21,582.66 is: 32,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.38 : 85,667.49 = 21,582.66 : x
  2. Step 2: Convert to fraction form
    57,127.38/85,667.49 = 21,582.66/x
  3. Step 3: Cross multiply
    57,127.38x = 85,667.49 × 21,582.66
  4. Step 4: Simplify right side
    57,127.38x = 1,848,932,309.72
  5. Step 5: Solve for x
    x = 1,848,932,309.72/57,127.38
  6. Step 6: Final answer
    x = 32,365.08

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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.