Home / 57,105.53-85,696.36-25,505.09

Finding the Fourth Proportional to 57,105.53, 85,696.36 and 25,505.09

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Solution

The fourth proportional to 57,105.53, 85,696.36 and 25,505.09 is: 38,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,105.53 : 85,696.36 = 25,505.09 : x
  2. Step 2: Convert to fraction form
    57,105.53/85,696.36 = 25,505.09/x
  3. Step 3: Cross multiply
    57,105.53x = 85,696.36 × 25,505.09
  4. Step 4: Simplify right side
    57,105.53x = 2,185,693,374.47
  5. Step 5: Solve for x
    x = 2,185,693,374.47/57,105.53
  6. Step 6: Final answer
    x = 38,274.64

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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.