Home / 56,763.11-85,144.42-17,320.09

Finding the Fourth Proportional to 56,763.11, 85,144.42 and 17,320.09

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Solution

The fourth proportional to 56,763.11, 85,144.42 and 17,320.09 is: 25,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,763.11 : 85,144.42 = 17,320.09 : x
  2. Step 2: Convert to fraction form
    56,763.11/85,144.42 = 17,320.09/x
  3. Step 3: Cross multiply
    56,763.11x = 85,144.42 × 17,320.09
  4. Step 4: Simplify right side
    56,763.11x = 1,474,709,017.40
  5. Step 5: Solve for x
    x = 1,474,709,017.40/56,763.11
  6. Step 6: Final answer
    x = 25,980.06

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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.