Home / 54,906.88-81,653.96-53,157.28

Finding the Fourth Proportional to 54,906.88, 81,653.96 and 53,157.28

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Solution

The fourth proportional to 54,906.88, 81,653.96 and 53,157.28 is: 79,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,906.88 : 81,653.96 = 53,157.28 : x
  2. Step 2: Convert to fraction form
    54,906.88/81,653.96 = 53,157.28/x
  3. Step 3: Cross multiply
    54,906.88x = 81,653.96 × 53,157.28
  4. Step 4: Simplify right side
    54,906.88x = 4,340,502,414.83
  5. Step 5: Solve for x
    x = 4,340,502,414.83/54,906.88
  6. Step 6: Final answer
    x = 79,052.07

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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.