Home / 87,633.38-120,934.06-49,911.14

Finding the Fourth Proportional to 87,633.38, 120,934.06 and 49,911.14

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Solution

The fourth proportional to 87,633.38, 120,934.06 and 49,911.14 is: 68,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,633.38 : 120,934.06 = 49,911.14 : x
  2. Step 2: Convert to fraction form
    87,633.38/120,934.06 = 49,911.14/x
  3. Step 3: Cross multiply
    87,633.38x = 120,934.06 × 49,911.14
  4. Step 4: Simplify right side
    87,633.38x = 6,035,956,069.98
  5. Step 5: Solve for x
    x = 6,035,956,069.98/87,633.38
  6. Step 6: Final answer
    x = 68,877.37

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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.