Home / 97,899.58-135,123.15-55,481.50

Finding the Fourth Proportional to 97,899.58, 135,123.15 and 55,481.50

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Solution

The fourth proportional to 97,899.58, 135,123.15 and 55,481.50 is: 76,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,899.58 : 135,123.15 = 55,481.50 : x
  2. Step 2: Convert to fraction form
    97,899.58/135,123.15 = 55,481.50/x
  3. Step 3: Cross multiply
    97,899.58x = 135,123.15 × 55,481.50
  4. Step 4: Simplify right side
    97,899.58x = 7,496,835,046.73
  5. Step 5: Solve for x
    x = 7,496,835,046.73/97,899.58
  6. Step 6: Final answer
    x = 76,576.78

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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.