Home / 57,091.16-85,661.36-23,817.78

Finding the Fourth Proportional to 57,091.16, 85,661.36 and 23,817.78

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Solution

The fourth proportional to 57,091.16, 85,661.36 and 23,817.78 is: 35,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091.16 : 85,661.36 = 23,817.78 : x
  2. Step 2: Convert to fraction form
    57,091.16/85,661.36 = 23,817.78/x
  3. Step 3: Cross multiply
    57,091.16x = 85,661.36 × 23,817.78
  4. Step 4: Simplify right side
    57,091.16x = 2,040,263,426.98
  5. Step 5: Solve for x
    x = 2,040,263,426.98/57,091.16
  6. Step 6: Final answer
    x = 35,736.94

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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.