Home / 73,286.72-109,938-23,355.08

Finding the Fourth Proportional to 73,286.72, 109,938 and 23,355.08

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Solution

The fourth proportional to 73,286.72, 109,938 and 23,355.08 is: 35,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,286.72 : 109,938 = 23,355.08 : x
  2. Step 2: Convert to fraction form
    73,286.72/109,938 = 23,355.08/x
  3. Step 3: Cross multiply
    73,286.72x = 109,938 × 23,355.08
  4. Step 4: Simplify right side
    73,286.72x = 2,567,610,785.04
  5. Step 5: Solve for x
    x = 2,567,610,785.04/73,286.72
  6. Step 6: Final answer
    x = 35,035.14

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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.