Home / 106,421.60-159,613.26-27,531.04

Finding the Fourth Proportional to 106,421.60, 159,613.26 and 27,531.04

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Solution

The fourth proportional to 106,421.60, 159,613.26 and 27,531.04 is: 41,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.60 : 159,613.26 = 27,531.04 : x
  2. Step 2: Convert to fraction form
    106,421.60/159,613.26 = 27,531.04/x
  3. Step 3: Cross multiply
    106,421.60x = 159,613.26 × 27,531.04
  4. Step 4: Simplify right side
    106,421.60x = 4,394,319,045.59
  5. Step 5: Solve for x
    x = 4,394,319,045.59/106,421.60
  6. Step 6: Final answer
    x = 41,291.61

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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.