Home / 54,361.08-81,528.12-30,679.02

Finding the Fourth Proportional to 54,361.08, 81,528.12 and 30,679.02

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Solution

The fourth proportional to 54,361.08, 81,528.12 and 30,679.02 is: 46,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,361.08 : 81,528.12 = 30,679.02 : x
  2. Step 2: Convert to fraction form
    54,361.08/81,528.12 = 30,679.02/x
  3. Step 3: Cross multiply
    54,361.08x = 81,528.12 × 30,679.02
  4. Step 4: Simplify right side
    54,361.08x = 2,501,202,824.04
  5. Step 5: Solve for x
    x = 2,501,202,824.04/54,361.08
  6. Step 6: Final answer
    x = 46,010.91

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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.