Home / 65,905.54-90,949.62-35,691.10

Finding the Fourth Proportional to 65,905.54, 90,949.62 and 35,691.10

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Solution

The fourth proportional to 65,905.54, 90,949.62 and 35,691.10 is: 49,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,905.54 : 90,949.62 = 35,691.10 : x
  2. Step 2: Convert to fraction form
    65,905.54/90,949.62 = 35,691.10/x
  3. Step 3: Cross multiply
    65,905.54x = 90,949.62 × 35,691.10
  4. Step 4: Simplify right side
    65,905.54x = 3,246,091,982.38
  5. Step 5: Solve for x
    x = 3,246,091,982.38/65,905.54
  6. Step 6: Final answer
    x = 49,253.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.