Home / 73,208.75-109,821.29-28,829.66

Finding the Fourth Proportional to 73,208.75, 109,821.29 and 28,829.66

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Solution

The fourth proportional to 73,208.75, 109,821.29 and 28,829.66 is: 43,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,208.75 : 109,821.29 = 28,829.66 : x
  2. Step 2: Convert to fraction form
    73,208.75/109,821.29 = 28,829.66/x
  3. Step 3: Cross multiply
    73,208.75x = 109,821.29 × 28,829.66
  4. Step 4: Simplify right side
    73,208.75x = 3,166,109,758.21
  5. Step 5: Solve for x
    x = 3,166,109,758.21/73,208.75
  6. Step 6: Final answer
    x = 43,247.70

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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.