Home / 57,823.42-86,735.13-18,380.53

Finding the Fourth Proportional to 57,823.42, 86,735.13 and 18,380.53

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Solution

The fourth proportional to 57,823.42, 86,735.13 and 18,380.53 is: 27,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,823.42 : 86,735.13 = 18,380.53 : x
  2. Step 2: Convert to fraction form
    57,823.42/86,735.13 = 18,380.53/x
  3. Step 3: Cross multiply
    57,823.42x = 86,735.13 × 18,380.53
  4. Step 4: Simplify right side
    57,823.42x = 1,594,237,659.02
  5. Step 5: Solve for x
    x = 1,594,237,659.02/57,823.42
  6. Step 6: Final answer
    x = 27,570.80

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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.