Home / 95,638.23-131,985.60-55,353.69

Finding the Fourth Proportional to 95,638.23, 131,985.60 and 55,353.69

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Solution

The fourth proportional to 95,638.23, 131,985.60 and 55,353.69 is: 76,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,638.23 : 131,985.60 = 55,353.69 : x
  2. Step 2: Convert to fraction form
    95,638.23/131,985.60 = 55,353.69/x
  3. Step 3: Cross multiply
    95,638.23x = 131,985.60 × 55,353.69
  4. Step 4: Simplify right side
    95,638.23x = 7,305,889,986.86
  5. Step 5: Solve for x
    x = 7,305,889,986.86/95,638.23
  6. Step 6: Final answer
    x = 76,390.90

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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.