Home / 54,361.50-75,019.01-31,716.06

Finding the Fourth Proportional to 54,361.50, 75,019.01 and 31,716.06

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Solution

The fourth proportional to 54,361.50, 75,019.01 and 31,716.06 is: 43,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,361.50 : 75,019.01 = 31,716.06 : x
  2. Step 2: Convert to fraction form
    54,361.50/75,019.01 = 31,716.06/x
  3. Step 3: Cross multiply
    54,361.50x = 75,019.01 × 31,716.06
  4. Step 4: Simplify right side
    54,361.50x = 2,379,307,263.72
  5. Step 5: Solve for x
    x = 2,379,307,263.72/54,361.50
  6. Step 6: Final answer
    x = 43,768.24

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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.