Home / 57,831.35-86,755.14-17,853.59

Finding the Fourth Proportional to 57,831.35, 86,755.14 and 17,853.59

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Solution

The fourth proportional to 57,831.35, 86,755.14 and 17,853.59 is: 26,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,831.35 : 86,755.14 = 17,853.59 : x
  2. Step 2: Convert to fraction form
    57,831.35/86,755.14 = 17,853.59/x
  3. Step 3: Cross multiply
    57,831.35x = 86,755.14 × 17,853.59
  4. Step 4: Simplify right side
    57,831.35x = 1,548,890,916.84
  5. Step 5: Solve for x
    x = 1,548,890,916.84/57,831.35
  6. Step 6: Final answer
    x = 26,782.90

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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.