Home / 61,128.19-91,682.45-16,744.57

Finding the Fourth Proportional to 61,128.19, 91,682.45 and 16,744.57

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Solution

The fourth proportional to 61,128.19, 91,682.45 and 16,744.57 is: 25,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,128.19 : 91,682.45 = 16,744.57 : x
  2. Step 2: Convert to fraction form
    61,128.19/91,682.45 = 16,744.57/x
  3. Step 3: Cross multiply
    61,128.19x = 91,682.45 × 16,744.57
  4. Step 4: Simplify right side
    61,128.19x = 1,535,183,201.80
  5. Step 5: Solve for x
    x = 1,535,183,201.80/61,128.19
  6. Step 6: Final answer
    x = 25,114.16

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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.