Home / 54,106.79-81,157.87-52,839.69

Finding the Fourth Proportional to 54,106.79, 81,157.87 and 52,839.69

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Solution

The fourth proportional to 54,106.79, 81,157.87 and 52,839.69 is: 79,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106.79 : 81,157.87 = 52,839.69 : x
  2. Step 2: Convert to fraction form
    54,106.79/81,157.87 = 52,839.69/x
  3. Step 3: Cross multiply
    54,106.79x = 81,157.87 × 52,839.69
  4. Step 4: Simplify right side
    54,106.79x = 4,288,356,724.32
  5. Step 5: Solve for x
    x = 4,288,356,724.32/54,106.79
  6. Step 6: Final answer
    x = 79,257.28

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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.