Home / 56,619.80-84,908.10-17,163.80

Finding the Fourth Proportional to 56,619.80, 84,908.10 and 17,163.80

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Solution

The fourth proportional to 56,619.80, 84,908.10 and 17,163.80 is: 25,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,619.80 : 84,908.10 = 17,163.80 : x
  2. Step 2: Convert to fraction form
    56,619.80/84,908.10 = 17,163.80/x
  3. Step 3: Cross multiply
    56,619.80x = 84,908.10 × 17,163.80
  4. Step 4: Simplify right side
    56,619.80x = 1,457,345,646.78
  5. Step 5: Solve for x
    x = 1,457,345,646.78/56,619.80
  6. Step 6: Final answer
    x = 25,739.15

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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.