Home / 98,105.25-147,159.26-27,984.56

Finding the Fourth Proportional to 98,105.25, 147,159.26 and 27,984.56

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Solution

The fourth proportional to 98,105.25, 147,159.26 and 27,984.56 is: 41,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,105.25 : 147,159.26 = 27,984.56 : x
  2. Step 2: Convert to fraction form
    98,105.25/147,159.26 = 27,984.56/x
  3. Step 3: Cross multiply
    98,105.25x = 147,159.26 × 27,984.56
  4. Step 4: Simplify right side
    98,105.25x = 4,118,187,578.89
  5. Step 5: Solve for x
    x = 4,118,187,578.89/98,105.25
  6. Step 6: Final answer
    x = 41,977.24

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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.