Home / 95,126.40-131,255.64-57,399.84

Finding the Fourth Proportional to 95,126.40, 131,255.64 and 57,399.84

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Solution

The fourth proportional to 95,126.40, 131,255.64 and 57,399.84 is: 79,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,126.40 : 131,255.64 = 57,399.84 : x
  2. Step 2: Convert to fraction form
    95,126.40/131,255.64 = 57,399.84/x
  3. Step 3: Cross multiply
    95,126.40x = 131,255.64 × 57,399.84
  4. Step 4: Simplify right side
    95,126.40x = 7,534,052,735.10
  5. Step 5: Solve for x
    x = 7,534,052,735.10/95,126.40
  6. Step 6: Final answer
    x = 79,200.44

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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.