Home / 43,010.10-64,519.20-16,716.90

Finding the Fourth Proportional to 43,010.10, 64,519.20 and 16,716.90

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Solution

The fourth proportional to 43,010.10, 64,519.20 and 16,716.90 is: 25,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,010.10 : 64,519.20 = 16,716.90 : x
  2. Step 2: Convert to fraction form
    43,010.10/64,519.20 = 16,716.90/x
  3. Step 3: Cross multiply
    43,010.10x = 64,519.20 × 16,716.90
  4. Step 4: Simplify right side
    43,010.10x = 1,078,561,014.48
  5. Step 5: Solve for x
    x = 1,078,561,014.48/43,010.10
  6. Step 6: Final answer
    x = 25,076.92

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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.