Home / 54,515.13-81,772.70-17,075.52

Finding the Fourth Proportional to 54,515.13, 81,772.70 and 17,075.52

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Solution

The fourth proportional to 54,515.13, 81,772.70 and 17,075.52 is: 25,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,515.13 : 81,772.70 = 17,075.52 : x
  2. Step 2: Convert to fraction form
    54,515.13/81,772.70 = 17,075.52/x
  3. Step 3: Cross multiply
    54,515.13x = 81,772.70 × 17,075.52
  4. Step 4: Simplify right side
    54,515.13x = 1,396,311,288.93
  5. Step 5: Solve for x
    x = 1,396,311,288.93/54,515.13
  6. Step 6: Final answer
    x = 25,613.28

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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.