Home / 98,858.26-148,309.17-28,743.04

Finding the Fourth Proportional to 98,858.26, 148,309.17 and 28,743.04

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Solution

The fourth proportional to 98,858.26, 148,309.17 and 28,743.04 is: 43,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,858.26 : 148,309.17 = 28,743.04 : x
  2. Step 2: Convert to fraction form
    98,858.26/148,309.17 = 28,743.04/x
  3. Step 3: Cross multiply
    98,858.26x = 148,309.17 × 28,743.04
  4. Step 4: Simplify right side
    98,858.26x = 4,262,856,405.68
  5. Step 5: Solve for x
    x = 4,262,856,405.68/98,858.26
  6. Step 6: Final answer
    x = 43,120.89

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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.