Home / 77,173.17-106,467.45-50,305.88

Finding the Fourth Proportional to 77,173.17, 106,467.45 and 50,305.88

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Solution

The fourth proportional to 77,173.17, 106,467.45 and 50,305.88 is: 69,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,173.17 : 106,467.45 = 50,305.88 : x
  2. Step 2: Convert to fraction form
    77,173.17/106,467.45 = 50,305.88/x
  3. Step 3: Cross multiply
    77,173.17x = 106,467.45 × 50,305.88
  4. Step 4: Simplify right side
    77,173.17x = 5,355,938,231.27
  5. Step 5: Solve for x
    x = 5,355,938,231.27/77,173.17
  6. Step 6: Final answer
    x = 69,401.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.