Home / 57,435.31-85,936.56-51,608.17

Finding the Fourth Proportional to 57,435.31, 85,936.56 and 51,608.17

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Solution

The fourth proportional to 57,435.31, 85,936.56 and 51,608.17 is: 77,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435.31 : 85,936.56 = 51,608.17 : x
  2. Step 2: Convert to fraction form
    57,435.31/85,936.56 = 51,608.17/x
  3. Step 3: Cross multiply
    57,435.31x = 85,936.56 × 51,608.17
  4. Step 4: Simplify right side
    57,435.31x = 4,435,028,597.70
  5. Step 5: Solve for x
    x = 4,435,028,597.70/57,435.31
  6. Step 6: Final answer
    x = 77,217.81

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1.5x scale

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.