Home / 73,213.34-109,778.40-28,816.03

Finding the Fourth Proportional to 73,213.34, 109,778.40 and 28,816.03

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Solution

The fourth proportional to 73,213.34, 109,778.40 and 28,816.03 is: 43,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,213.34 : 109,778.40 = 28,816.03 : x
  2. Step 2: Convert to fraction form
    73,213.34/109,778.40 = 28,816.03/x
  3. Step 3: Cross multiply
    73,213.34x = 109,778.40 × 28,816.03
  4. Step 4: Simplify right side
    73,213.34x = 3,163,377,393.31
  5. Step 5: Solve for x
    x = 3,163,377,393.31/73,213.34
  6. Step 6: Final answer
    x = 43,207.66

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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.