Home / 70,813.83-106,286.45-35,778.09

Finding the Fourth Proportional to 70,813.83, 106,286.45 and 35,778.09

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Solution

The fourth proportional to 70,813.83, 106,286.45 and 35,778.09 is: 53,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,813.83 : 106,286.45 = 35,778.09 : x
  2. Step 2: Convert to fraction form
    70,813.83/106,286.45 = 35,778.09/x
  3. Step 3: Cross multiply
    70,813.83x = 106,286.45 × 35,778.09
  4. Step 4: Simplify right side
    70,813.83x = 3,802,725,994.99
  5. Step 5: Solve for x
    x = 3,802,725,994.99/70,813.83
  6. Step 6: Final answer
    x = 53,700.33

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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.