Home / 52,372.78-78,571.47-17,312.44

Finding the Fourth Proportional to 52,372.78, 78,571.47 and 17,312.44

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Solution

The fourth proportional to 52,372.78, 78,571.47 and 17,312.44 is: 25,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,372.78 : 78,571.47 = 17,312.44 : x
  2. Step 2: Convert to fraction form
    52,372.78/78,571.47 = 17,312.44/x
  3. Step 3: Cross multiply
    52,372.78x = 78,571.47 × 17,312.44
  4. Step 4: Simplify right side
    52,372.78x = 1,360,263,860.09
  5. Step 5: Solve for x
    x = 1,360,263,860.09/52,372.78
  6. Step 6: Final answer
    x = 25,972.73

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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.