Home / 106,370.28-159,556.68-53,781.84

Finding the Fourth Proportional to 106,370.28, 159,556.68 and 53,781.84

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Solution

The fourth proportional to 106,370.28, 159,556.68 and 53,781.84 is: 80,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,370.28 : 159,556.68 = 53,781.84 : x
  2. Step 2: Convert to fraction form
    106,370.28/159,556.68 = 53,781.84/x
  3. Step 3: Cross multiply
    106,370.28x = 159,556.68 × 53,781.84
  4. Step 4: Simplify right side
    106,370.28x = 8,581,251,834.69
  5. Step 5: Solve for x
    x = 8,581,251,834.69/106,370.28
  6. Step 6: Final answer
    x = 80,673.40

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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.