Home / 73,065.78-109,592.46-23,138.60

Finding the Fourth Proportional to 73,065.78, 109,592.46 and 23,138.60

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Solution

The fourth proportional to 73,065.78, 109,592.46 and 23,138.60 is: 34,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,065.78 : 109,592.46 = 23,138.60 : x
  2. Step 2: Convert to fraction form
    73,065.78/109,592.46 = 23,138.60/x
  3. Step 3: Cross multiply
    73,065.78x = 109,592.46 × 23,138.60
  4. Step 4: Simplify right side
    73,065.78x = 2,535,815,546.99
  5. Step 5: Solve for x
    x = 2,535,815,546.99/73,065.78
  6. Step 6: Final answer
    x = 34,705.93

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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.