Home / 57,708.40-86,562.60-32,825.20

Finding the Fourth Proportional to 57,708.40, 86,562.60 and 32,825.20

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Solution

The fourth proportional to 57,708.40, 86,562.60 and 32,825.20 is: 49,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708.40 : 86,562.60 = 32,825.20 : x
  2. Step 2: Convert to fraction form
    57,708.40/86,562.60 = 32,825.20/x
  3. Step 3: Cross multiply
    57,708.40x = 86,562.60 × 32,825.20
  4. Step 4: Simplify right side
    57,708.40x = 2,841,434,657.52
  5. Step 5: Solve for x
    x = 2,841,434,657.52/57,708.40
  6. Step 6: Final answer
    x = 49,237.80

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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.