Home / 50,989.32-70,369.62-29,775.36

Finding the Fourth Proportional to 50,989.32, 70,369.62 and 29,775.36

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Solution

The fourth proportional to 50,989.32, 70,369.62 and 29,775.36 is: 41,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,989.32 : 70,369.62 = 29,775.36 : x
  2. Step 2: Convert to fraction form
    50,989.32/70,369.62 = 29,775.36/x
  3. Step 3: Cross multiply
    50,989.32x = 70,369.62 × 29,775.36
  4. Step 4: Simplify right side
    50,989.32x = 2,095,280,768.56
  5. Step 5: Solve for x
    x = 2,095,280,768.56/50,989.32
  6. Step 6: Final answer
    x = 41,092.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.