Home / 75,329.56-113,031.06-30,969.64

Finding the Fourth Proportional to 75,329.56, 113,031.06 and 30,969.64

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Solution

The fourth proportional to 75,329.56, 113,031.06 and 30,969.64 is: 46,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,329.56 : 113,031.06 = 30,969.64 : x
  2. Step 2: Convert to fraction form
    75,329.56/113,031.06 = 30,969.64/x
  3. Step 3: Cross multiply
    75,329.56x = 113,031.06 × 30,969.64
  4. Step 4: Simplify right side
    75,329.56x = 3,500,531,237.02
  5. Step 5: Solve for x
    x = 3,500,531,237.02/75,329.56
  6. Step 6: Final answer
    x = 46,469.56

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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.