Home / 67,511.38-101,197.94-28,091.38

Finding the Fourth Proportional to 67,511.38, 101,197.94 and 28,091.38

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Solution

The fourth proportional to 67,511.38, 101,197.94 and 28,091.38 is: 42,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,511.38 : 101,197.94 = 28,091.38 : x
  2. Step 2: Convert to fraction form
    67,511.38/101,197.94 = 28,091.38/x
  3. Step 3: Cross multiply
    67,511.38x = 101,197.94 × 28,091.38
  4. Step 4: Simplify right side
    67,511.38x = 2,842,789,281.77
  5. Step 5: Solve for x
    x = 2,842,789,281.77/67,511.38
  6. Step 6: Final answer
    x = 42,108.30

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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.