Home / 96,845.56-145,540.50-57,408.28

Finding the Fourth Proportional to 96,845.56, 145,540.50 and 57,408.28

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Solution

The fourth proportional to 96,845.56, 145,540.50 and 57,408.28 is: 86,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,845.56 : 145,540.50 = 57,408.28 : x
  2. Step 2: Convert to fraction form
    96,845.56/145,540.50 = 57,408.28/x
  3. Step 3: Cross multiply
    96,845.56x = 145,540.50 × 57,408.28
  4. Step 4: Simplify right side
    96,845.56x = 8,355,229,775.34
  5. Step 5: Solve for x
    x = 8,355,229,775.34/96,845.56
  6. Step 6: Final answer
    x = 86,273.75

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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.