Home / 106,613.13-159,920.51-36,493.05

Finding the Fourth Proportional to 106,613.13, 159,920.51 and 36,493.05

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Solution

The fourth proportional to 106,613.13, 159,920.51 and 36,493.05 is: 54,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,613.13 : 159,920.51 = 36,493.05 : x
  2. Step 2: Convert to fraction form
    106,613.13/159,920.51 = 36,493.05/x
  3. Step 3: Cross multiply
    106,613.13x = 159,920.51 × 36,493.05
  4. Step 4: Simplify right side
    106,613.13x = 5,835,987,167.46
  5. Step 5: Solve for x
    x = 5,835,987,167.46/106,613.13
  6. Step 6: Final answer
    x = 54,739.85

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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.