Home / 96,996.36-145,530.12-40,850.64

Finding the Fourth Proportional to 96,996.36, 145,530.12 and 40,850.64

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Solution

The fourth proportional to 96,996.36, 145,530.12 and 40,850.64 is: 61,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,996.36 : 145,530.12 = 40,850.64 : x
  2. Step 2: Convert to fraction form
    96,996.36/145,530.12 = 40,850.64/x
  3. Step 3: Cross multiply
    96,996.36x = 145,530.12 × 40,850.64
  4. Step 4: Simplify right side
    96,996.36x = 5,944,998,541.28
  5. Step 5: Solve for x
    x = 5,944,998,541.28/96,996.36
  6. Step 6: Final answer
    x = 61,290.94

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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.