Home / 96,945.20-145,419.62-30,383.85

Finding the Fourth Proportional to 96,945.20, 145,419.62 and 30,383.85

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Solution

The fourth proportional to 96,945.20, 145,419.62 and 30,383.85 is: 45,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,945.20 : 145,419.62 = 30,383.85 : x
  2. Step 2: Convert to fraction form
    96,945.20/145,419.62 = 30,383.85/x
  3. Step 3: Cross multiply
    96,945.20x = 145,419.62 × 30,383.85
  4. Step 4: Simplify right side
    96,945.20x = 4,418,407,769.22
  5. Step 5: Solve for x
    x = 4,418,407,769.22/96,945.20
  6. Step 6: Final answer
    x = 45,576.35

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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.