Home / 97,603.20-146,428.80-27,481.60

Finding the Fourth Proportional to 97,603.20, 146,428.80 and 27,481.60

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Solution

The fourth proportional to 97,603.20, 146,428.80 and 27,481.60 is: 41,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,603.20 : 146,428.80 = 27,481.60 : x
  2. Step 2: Convert to fraction form
    97,603.20/146,428.80 = 27,481.60/x
  3. Step 3: Cross multiply
    97,603.20x = 146,428.80 × 27,481.60
  4. Step 4: Simplify right side
    97,603.20x = 4,024,097,710.08
  5. Step 5: Solve for x
    x = 4,024,097,710.08/97,603.20
  6. Step 6: Final answer
    x = 41,229.16

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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.