Home / 56,759.94-85,144.37-17,317.40

Finding the Fourth Proportional to 56,759.94, 85,144.37 and 17,317.40

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Solution

The fourth proportional to 56,759.94, 85,144.37 and 17,317.40 is: 25,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,759.94 : 85,144.37 = 17,317.40 : x
  2. Step 2: Convert to fraction form
    56,759.94/85,144.37 = 17,317.40/x
  3. Step 3: Cross multiply
    56,759.94x = 85,144.37 × 17,317.40
  4. Step 4: Simplify right side
    56,759.94x = 1,474,478,600.73
  5. Step 5: Solve for x
    x = 1,474,478,600.73/56,759.94
  6. Step 6: Final answer
    x = 25,977.45

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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.