Home / 96,912.11-145,368.15-30,357.44

Finding the Fourth Proportional to 96,912.11, 145,368.15 and 30,357.44

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Solution

The fourth proportional to 96,912.11, 145,368.15 and 30,357.44 is: 45,536.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,912.11 : 145,368.15 = 30,357.44 : x
  2. Step 2: Convert to fraction form
    96,912.11/145,368.15 = 30,357.44/x
  3. Step 3: Cross multiply
    96,912.11x = 145,368.15 × 30,357.44
  4. Step 4: Simplify right side
    96,912.11x = 4,413,004,891.54
  5. Step 5: Solve for x
    x = 4,413,004,891.54/96,912.11
  6. Step 6: Final answer
    x = 45,536.16

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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.