Home / 43,190.43-64,785.65-16,876.71

Finding the Fourth Proportional to 43,190.43, 64,785.65 and 16,876.71

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Solution

The fourth proportional to 43,190.43, 64,785.65 and 16,876.71 is: 25,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,190.43 : 64,785.65 = 16,876.71 : x
  2. Step 2: Convert to fraction form
    43,190.43/64,785.65 = 16,876.71/x
  3. Step 3: Cross multiply
    43,190.43x = 64,785.65 × 16,876.71
  4. Step 4: Simplify right side
    43,190.43x = 1,093,368,542.83
  5. Step 5: Solve for x
    x = 1,093,368,542.83/43,190.43
  6. Step 6: Final answer
    x = 25,315.07

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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.