Home / 98,103.01-135,379.60-57,274.96

Finding the Fourth Proportional to 98,103.01, 135,379.60 and 57,274.96

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Solution

The fourth proportional to 98,103.01, 135,379.60 and 57,274.96 is: 79,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,103.01 : 135,379.60 = 57,274.96 : x
  2. Step 2: Convert to fraction form
    98,103.01/135,379.60 = 57,274.96/x
  3. Step 3: Cross multiply
    98,103.01x = 135,379.60 × 57,274.96
  4. Step 4: Simplify right side
    98,103.01x = 7,753,861,174.82
  5. Step 5: Solve for x
    x = 7,753,861,174.82/98,103.01
  6. Step 6: Final answer
    x = 79,037.95

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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.