Home / 87,198.04-120,369.81-73,838.44

Finding the Fourth Proportional to 87,198.04, 120,369.81 and 73,838.44

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Solution

The fourth proportional to 87,198.04, 120,369.81 and 73,838.44 is: 101,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,198.04 : 120,369.81 = 73,838.44 : x
  2. Step 2: Convert to fraction form
    87,198.04/120,369.81 = 73,838.44/x
  3. Step 3: Cross multiply
    87,198.04x = 120,369.81 × 73,838.44
  4. Step 4: Simplify right side
    87,198.04x = 8,887,918,993.50
  5. Step 5: Solve for x
    x = 8,887,918,993.50/87,198.04
  6. Step 6: Final answer
    x = 101,927.97

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1.5x scale

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.