Home / 57,172.16-85,766.54-17,732.45

Finding the Fourth Proportional to 57,172.16, 85,766.54 and 17,732.45

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Solution

The fourth proportional to 57,172.16, 85,766.54 and 17,732.45 is: 26,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.16 : 85,766.54 = 17,732.45 : x
  2. Step 2: Convert to fraction form
    57,172.16/85,766.54 = 17,732.45/x
  3. Step 3: Cross multiply
    57,172.16x = 85,766.54 × 17,732.45
  4. Step 4: Simplify right side
    57,172.16x = 1,520,850,364.73
  5. Step 5: Solve for x
    x = 1,520,850,364.73/57,172.16
  6. Step 6: Final answer
    x = 26,601.24

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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.