Home / 73,976.07-110,949.63-61,575.78

Finding the Fourth Proportional to 73,976.07, 110,949.63 and 61,575.78

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Solution

The fourth proportional to 73,976.07, 110,949.63 and 61,575.78 is: 92,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,976.07 : 110,949.63 = 61,575.78 : x
  2. Step 2: Convert to fraction form
    73,976.07/110,949.63 = 61,575.78/x
  3. Step 3: Cross multiply
    73,976.07x = 110,949.63 × 61,575.78
  4. Step 4: Simplify right side
    73,976.07x = 6,831,810,007.96
  5. Step 5: Solve for x
    x = 6,831,810,007.96/73,976.07
  6. Step 6: Final answer
    x = 92,351.62

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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.