Home / 57,575.04-86,360.49-20,135.04

Finding the Fourth Proportional to 57,575.04, 86,360.49 and 20,135.04

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Solution

The fourth proportional to 57,575.04, 86,360.49 and 20,135.04 is: 30,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,575.04 : 86,360.49 = 20,135.04 : x
  2. Step 2: Convert to fraction form
    57,575.04/86,360.49 = 20,135.04/x
  3. Step 3: Cross multiply
    57,575.04x = 86,360.49 × 20,135.04
  4. Step 4: Simplify right side
    57,575.04x = 1,738,871,920.57
  5. Step 5: Solve for x
    x = 1,738,871,920.57/57,575.04
  6. Step 6: Final answer
    x = 30,201.84

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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.