Home / 87,296.70-120,465.28-49,570.14

Finding the Fourth Proportional to 87,296.70, 120,465.28 and 49,570.14

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Solution

The fourth proportional to 87,296.70, 120,465.28 and 49,570.14 is: 68,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,296.70 : 120,465.28 = 49,570.14 : x
  2. Step 2: Convert to fraction form
    87,296.70/120,465.28 = 49,570.14/x
  3. Step 3: Cross multiply
    87,296.70x = 120,465.28 × 49,570.14
  4. Step 4: Simplify right side
    87,296.70x = 5,971,480,794.74
  5. Step 5: Solve for x
    x = 5,971,480,794.74/87,296.70
  6. Step 6: Final answer
    x = 68,404.43

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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.