Home / 54,395.37-81,141.03-53,493.21

Finding the Fourth Proportional to 54,395.37, 81,141.03 and 53,493.21

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Solution

The fourth proportional to 54,395.37, 81,141.03 and 53,493.21 is: 79,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,395.37 : 81,141.03 = 53,493.21 : x
  2. Step 2: Convert to fraction form
    54,395.37/81,141.03 = 53,493.21/x
  3. Step 3: Cross multiply
    54,395.37x = 81,141.03 × 53,493.21
  4. Step 4: Simplify right side
    54,395.37x = 4,340,494,157.41
  5. Step 5: Solve for x
    x = 4,340,494,157.41/54,395.37
  6. Step 6: Final answer
    x = 79,795.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.