Home / 54,704.40-82,056.60-31,314.36

Finding the Fourth Proportional to 54,704.40, 82,056.60 and 31,314.36

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Solution

The fourth proportional to 54,704.40, 82,056.60 and 31,314.36 is: 46,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,704.40 : 82,056.60 = 31,314.36 : x
  2. Step 2: Convert to fraction form
    54,704.40/82,056.60 = 31,314.36/x
  3. Step 3: Cross multiply
    54,704.40x = 82,056.60 × 31,314.36
  4. Step 4: Simplify right side
    54,704.40x = 2,569,549,912.78
  5. Step 5: Solve for x
    x = 2,569,549,912.78/54,704.40
  6. Step 6: Final answer
    x = 46,971.54

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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.