Home / 61,128.38-91,682.73-16,744.76

Finding the Fourth Proportional to 61,128.38, 91,682.73 and 16,744.76

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Solution

The fourth proportional to 61,128.38, 91,682.73 and 16,744.76 is: 25,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,128.38 : 91,682.73 = 16,744.76 : x
  2. Step 2: Convert to fraction form
    61,128.38/91,682.73 = 16,744.76/x
  3. Step 3: Cross multiply
    61,128.38x = 91,682.73 × 16,744.76
  4. Step 4: Simplify right side
    61,128.38x = 1,535,205,309.99
  5. Step 5: Solve for x
    x = 1,535,205,309.99/61,128.38
  6. Step 6: Final answer
    x = 25,114.44

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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.