Home / 60,778.77-83,837.52-40,361.78

Finding the Fourth Proportional to 60,778.77, 83,837.52 and 40,361.78

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Solution

The fourth proportional to 60,778.77, 83,837.52 and 40,361.78 is: 55,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,778.77 : 83,837.52 = 40,361.78 : x
  2. Step 2: Convert to fraction form
    60,778.77/83,837.52 = 40,361.78/x
  3. Step 3: Cross multiply
    60,778.77x = 83,837.52 × 40,361.78
  4. Step 4: Simplify right side
    60,778.77x = 3,383,831,118.80
  5. Step 5: Solve for x
    x = 3,383,831,118.80/60,778.77
  6. Step 6: Final answer
    x = 55,674.56

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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.