Home / 57,188.56-85,785.57-27,631.25

Finding the Fourth Proportional to 57,188.56, 85,785.57 and 27,631.25

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Solution

The fourth proportional to 57,188.56, 85,785.57 and 27,631.25 is: 41,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.56 : 85,785.57 = 27,631.25 : x
  2. Step 2: Convert to fraction form
    57,188.56/85,785.57 = 27,631.25/x
  3. Step 3: Cross multiply
    57,188.56x = 85,785.57 × 27,631.25
  4. Step 4: Simplify right side
    57,188.56x = 2,370,362,531.06
  5. Step 5: Solve for x
    x = 2,370,362,531.06/57,188.56
  6. Step 6: Final answer
    x = 41,448.19

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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.