Home / 72,844.94-109,286.19-39,556.46

Finding the Fourth Proportional to 72,844.94, 109,286.19 and 39,556.46

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Solution

The fourth proportional to 72,844.94, 109,286.19 and 39,556.46 is: 59,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,844.94 : 109,286.19 = 39,556.46 : x
  2. Step 2: Convert to fraction form
    72,844.94/109,286.19 = 39,556.46/x
  3. Step 3: Cross multiply
    72,844.94x = 109,286.19 × 39,556.46
  4. Step 4: Simplify right side
    72,844.94x = 4,322,974,803.29
  5. Step 5: Solve for x
    x = 4,322,974,803.29/72,844.94
  6. Step 6: Final answer
    x = 59,344.89

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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.