Home / 96,936.12-145,460.37-40,771.80

Finding the Fourth Proportional to 96,936.12, 145,460.37 and 40,771.80

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Solution

The fourth proportional to 96,936.12, 145,460.37 and 40,771.80 is: 61,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,936.12 : 145,460.37 = 40,771.80 : x
  2. Step 2: Convert to fraction form
    96,936.12/145,460.37 = 40,771.80/x
  3. Step 3: Cross multiply
    96,936.12x = 145,460.37 × 40,771.80
  4. Step 4: Simplify right side
    96,936.12x = 5,930,681,113.57
  5. Step 5: Solve for x
    x = 5,930,681,113.57/96,936.12
  6. Step 6: Final answer
    x = 61,181.33

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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.