Home / 96,806.89-145,205.11-30,239.38

Finding the Fourth Proportional to 96,806.89, 145,205.11 and 30,239.38

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Solution

The fourth proportional to 96,806.89, 145,205.11 and 30,239.38 is: 45,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,806.89 : 145,205.11 = 30,239.38 : x
  2. Step 2: Convert to fraction form
    96,806.89/145,205.11 = 30,239.38/x
  3. Step 3: Cross multiply
    96,806.89x = 145,205.11 × 30,239.38
  4. Step 4: Simplify right side
    96,806.89x = 4,390,912,499.23
  5. Step 5: Solve for x
    x = 4,390,912,499.23/96,806.89
  6. Step 6: Final answer
    x = 45,357.44

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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.