Home / 52,105.82-78,076.77-40,288.46

Finding the Fourth Proportional to 52,105.82, 78,076.77 and 40,288.46

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Solution

The fourth proportional to 52,105.82, 78,076.77 and 40,288.46 is: 60,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,105.82 : 78,076.77 = 40,288.46 : x
  2. Step 2: Convert to fraction form
    52,105.82/78,076.77 = 40,288.46/x
  3. Step 3: Cross multiply
    52,105.82x = 78,076.77 × 40,288.46
  4. Step 4: Simplify right side
    52,105.82x = 3,145,592,825.07
  5. Step 5: Solve for x
    x = 3,145,592,825.07/52,105.82
  6. Step 6: Final answer
    x = 60,369.32

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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.