Home / 73,223.07-109,709.22-39,966.48

Finding the Fourth Proportional to 73,223.07, 109,709.22 and 39,966.48

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Solution

The fourth proportional to 73,223.07, 109,709.22 and 39,966.48 is: 59,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,223.07 : 109,709.22 = 39,966.48 : x
  2. Step 2: Convert to fraction form
    73,223.07/109,709.22 = 39,966.48/x
  3. Step 3: Cross multiply
    73,223.07x = 109,709.22 × 39,966.48
  4. Step 4: Simplify right side
    73,223.07x = 4,384,691,346.95
  5. Step 5: Solve for x
    x = 4,384,691,346.95/73,223.07
  6. Step 6: Final answer
    x = 59,881.28

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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.