Home / 73,021.80-100,770.66-40,317.24

Finding the Fourth Proportional to 73,021.80, 100,770.66 and 40,317.24

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Solution

The fourth proportional to 73,021.80, 100,770.66 and 40,317.24 is: 55,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021.80 : 100,770.66 = 40,317.24 : x
  2. Step 2: Convert to fraction form
    73,021.80/100,770.66 = 40,317.24/x
  3. Step 3: Cross multiply
    73,021.80x = 100,770.66 × 40,317.24
  4. Step 4: Simplify right side
    73,021.80x = 4,062,794,884.18
  5. Step 5: Solve for x
    x = 4,062,794,884.18/73,021.80
  6. Step 6: Final answer
    x = 55,638.11

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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.