Home / 54,261.77-81,517.73-52,019.81

Finding the Fourth Proportional to 54,261.77, 81,517.73 and 52,019.81

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Solution

The fourth proportional to 54,261.77, 81,517.73 and 52,019.81 is: 78,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,261.77 : 81,517.73 = 52,019.81 : x
  2. Step 2: Convert to fraction form
    54,261.77/81,517.73 = 52,019.81/x
  3. Step 3: Cross multiply
    54,261.77x = 81,517.73 × 52,019.81
  4. Step 4: Simplify right side
    54,261.77x = 4,240,536,158.54
  5. Step 5: Solve for x
    x = 4,240,536,158.54/54,261.77
  6. Step 6: Final answer
    x = 78,149.62

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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.