Home / 54,185.94-74,610.45-47,433.78

Finding the Fourth Proportional to 54,185.94, 74,610.45 and 47,433.78

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Solution

The fourth proportional to 54,185.94, 74,610.45 and 47,433.78 is: 65,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,185.94 : 74,610.45 = 47,433.78 : x
  2. Step 2: Convert to fraction form
    54,185.94/74,610.45 = 47,433.78/x
  3. Step 3: Cross multiply
    54,185.94x = 74,610.45 × 47,433.78
  4. Step 4: Simplify right side
    54,185.94x = 3,539,055,671.00
  5. Step 5: Solve for x
    x = 3,539,055,671.00/54,185.94
  6. Step 6: Final answer
    x = 65,313.17

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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.