Home / 73,003.03-109,505.45-28,650.67

Finding the Fourth Proportional to 73,003.03, 109,505.45 and 28,650.67

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Solution

The fourth proportional to 73,003.03, 109,505.45 and 28,650.67 is: 42,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.03 : 109,505.45 = 28,650.67 : x
  2. Step 2: Convert to fraction form
    73,003.03/109,505.45 = 28,650.67/x
  3. Step 3: Cross multiply
    73,003.03x = 109,505.45 × 28,650.67
  4. Step 4: Simplify right side
    73,003.03x = 3,137,404,511.15
  5. Step 5: Solve for x
    x = 3,137,404,511.15/73,003.03
  6. Step 6: Final answer
    x = 42,976.36

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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.