Home / 57,729.12-86,562.72-29,637.60

Finding the Fourth Proportional to 57,729.12, 86,562.72 and 29,637.60

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Solution

The fourth proportional to 57,729.12, 86,562.72 and 29,637.60 is: 44,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,729.12 : 86,562.72 = 29,637.60 : x
  2. Step 2: Convert to fraction form
    57,729.12/86,562.72 = 29,637.60/x
  3. Step 3: Cross multiply
    57,729.12x = 86,562.72 × 29,637.60
  4. Step 4: Simplify right side
    57,729.12x = 2,565,511,270.27
  5. Step 5: Solve for x
    x = 2,565,511,270.27/57,729.12
  6. Step 6: Final answer
    x = 44,440.51

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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.