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Finding the Fourth Proportional to 73,401.02, 110,101.52 and 20,810.96

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Solution

The fourth proportional to 73,401.02, 110,101.52 and 20,810.96 is: 31,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,401.02 : 110,101.52 = 20,810.96 : x
  2. Step 2: Convert to fraction form
    73,401.02/110,101.52 = 20,810.96/x
  3. Step 3: Cross multiply
    73,401.02x = 110,101.52 × 20,810.96
  4. Step 4: Simplify right side
    73,401.02x = 2,291,318,328.66
  5. Step 5: Solve for x
    x = 2,291,318,328.66/73,401.02
  6. Step 6: Final answer
    x = 31,216.44

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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.