Home / 97,915.24-135,122.70-55,481.86

Finding the Fourth Proportional to 97,915.24, 135,122.70 and 55,481.86

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Solution

The fourth proportional to 97,915.24, 135,122.70 and 55,481.86 is: 76,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,915.24 : 135,122.70 = 55,481.86 : x
  2. Step 2: Convert to fraction form
    97,915.24/135,122.70 = 55,481.86/x
  3. Step 3: Cross multiply
    97,915.24x = 135,122.70 × 55,481.86
  4. Step 4: Simplify right side
    97,915.24x = 7,496,858,724.22
  5. Step 5: Solve for x
    x = 7,496,858,724.22/97,915.24
  6. Step 6: Final answer
    x = 76,564.78

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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.