Home / 57,153.60-85,705.49-17,701.54

Finding the Fourth Proportional to 57,153.60, 85,705.49 and 17,701.54

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Solution

The fourth proportional to 57,153.60, 85,705.49 and 17,701.54 is: 26,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.60 : 85,705.49 = 17,701.54 : x
  2. Step 2: Convert to fraction form
    57,153.60/85,705.49 = 17,701.54/x
  3. Step 3: Cross multiply
    57,153.60x = 85,705.49 × 17,701.54
  4. Step 4: Simplify right side
    57,153.60x = 1,517,118,989.44
  5. Step 5: Solve for x
    x = 1,517,118,989.44/57,153.60
  6. Step 6: Final answer
    x = 26,544.59

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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.