Home / 99,538.44-137,361.60-57,096.06

Finding the Fourth Proportional to 99,538.44, 137,361.60 and 57,096.06

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Solution

The fourth proportional to 99,538.44, 137,361.60 and 57,096.06 is: 78,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,538.44 : 137,361.60 = 57,096.06 : x
  2. Step 2: Convert to fraction form
    99,538.44/137,361.60 = 57,096.06/x
  3. Step 3: Cross multiply
    99,538.44x = 137,361.60 × 57,096.06
  4. Step 4: Simplify right side
    99,538.44x = 7,842,806,155.30
  5. Step 5: Solve for x
    x = 7,842,806,155.30/99,538.44
  6. Step 6: Final answer
    x = 78,791.73

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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.