Home / 54,806.24-82,076.88-31,361.60

Finding the Fourth Proportional to 54,806.24, 82,076.88 and 31,361.60

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Solution

The fourth proportional to 54,806.24, 82,076.88 and 31,361.60 is: 46,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,806.24 : 82,076.88 = 31,361.60 : x
  2. Step 2: Convert to fraction form
    54,806.24/82,076.88 = 31,361.60/x
  3. Step 3: Cross multiply
    54,806.24x = 82,076.88 × 31,361.60
  4. Step 4: Simplify right side
    54,806.24x = 2,574,062,279.81
  5. Step 5: Solve for x
    x = 2,574,062,279.81/54,806.24
  6. Step 6: Final answer
    x = 46,966.59

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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.