Home / 57,274.59-85,912.04-17,831.75

Finding the Fourth Proportional to 57,274.59, 85,912.04 and 17,831.75

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Solution

The fourth proportional to 57,274.59, 85,912.04 and 17,831.75 is: 26,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,274.59 : 85,912.04 = 17,831.75 : x
  2. Step 2: Convert to fraction form
    57,274.59/85,912.04 = 17,831.75/x
  3. Step 3: Cross multiply
    57,274.59x = 85,912.04 × 17,831.75
  4. Step 4: Simplify right side
    57,274.59x = 1,531,961,634.29
  5. Step 5: Solve for x
    x = 1,531,961,634.29/57,274.59
  6. Step 6: Final answer
    x = 26,747.66

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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.