Home / 108,789.03-163,028.01-61,945.11

Finding the Fourth Proportional to 108,789.03, 163,028.01 and 61,945.11

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Solution

The fourth proportional to 108,789.03, 163,028.01 and 61,945.11 is: 92,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,789.03 : 163,028.01 = 61,945.11 : x
  2. Step 2: Convert to fraction form
    108,789.03/163,028.01 = 61,945.11/x
  3. Step 3: Cross multiply
    108,789.03x = 163,028.01 × 61,945.11
  4. Step 4: Simplify right side
    108,789.03x = 10,098,788,012.53
  5. Step 5: Solve for x
    x = 10,098,788,012.53/108,789.03
  6. Step 6: Final answer
    x = 92,829.10

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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.