Home / 73,976.36-110,983.20-21,385.52

Finding the Fourth Proportional to 73,976.36, 110,983.20 and 21,385.52

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Solution

The fourth proportional to 73,976.36, 110,983.20 and 21,385.52 is: 32,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,976.36 : 110,983.20 = 21,385.52 : x
  2. Step 2: Convert to fraction form
    73,976.36/110,983.20 = 21,385.52/x
  3. Step 3: Cross multiply
    73,976.36x = 110,983.20 × 21,385.52
  4. Step 4: Simplify right side
    73,976.36x = 2,373,433,443.26
  5. Step 5: Solve for x
    x = 2,373,433,443.26/73,976.36
  6. Step 6: Final answer
    x = 32,083.67

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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.