Home / 108,629.40-163,073.70-61,282.20

Finding the Fourth Proportional to 108,629.40, 163,073.70 and 61,282.20

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Solution

The fourth proportional to 108,629.40, 163,073.70 and 61,282.20 is: 91,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,629.40 : 163,073.70 = 61,282.20 : x
  2. Step 2: Convert to fraction form
    108,629.40/163,073.70 = 61,282.20/x
  3. Step 3: Cross multiply
    108,629.40x = 163,073.70 × 61,282.20
  4. Step 4: Simplify right side
    108,629.40x = 9,993,515,098.14
  5. Step 5: Solve for x
    x = 9,993,515,098.14/108,629.40
  6. Step 6: Final answer
    x = 91,996.41

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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.