Home / 54,185.24-74,783.16-30,313.53

Finding the Fourth Proportional to 54,185.24, 74,783.16 and 30,313.53

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Solution

The fourth proportional to 54,185.24, 74,783.16 and 30,313.53 is: 41,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,185.24 : 74,783.16 = 30,313.53 : x
  2. Step 2: Convert to fraction form
    54,185.24/74,783.16 = 30,313.53/x
  3. Step 3: Cross multiply
    54,185.24x = 74,783.16 × 30,313.53
  4. Step 4: Simplify right side
    54,185.24x = 2,266,941,564.15
  5. Step 5: Solve for x
    x = 2,266,941,564.15/54,185.24
  6. Step 6: Final answer
    x = 41,836.88

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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.