Home / 57,242.69-78,997.59-35,745.15

Finding the Fourth Proportional to 57,242.69, 78,997.59 and 35,745.15

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Solution

The fourth proportional to 57,242.69, 78,997.59 and 35,745.15 is: 49,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,242.69 : 78,997.59 = 35,745.15 : x
  2. Step 2: Convert to fraction form
    57,242.69/78,997.59 = 35,745.15/x
  3. Step 3: Cross multiply
    57,242.69x = 78,997.59 × 35,745.15
  4. Step 4: Simplify right side
    57,242.69x = 2,823,780,704.19
  5. Step 5: Solve for x
    x = 2,823,780,704.19/57,242.69
  6. Step 6: Final answer
    x = 49,329.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.