Home / 57,289.75-79,060.14-32,139.25

Finding the Fourth Proportional to 57,289.75, 79,060.14 and 32,139.25

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Solution

The fourth proportional to 57,289.75, 79,060.14 and 32,139.25 is: 44,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,289.75 : 79,060.14 = 32,139.25 : x
  2. Step 2: Convert to fraction form
    57,289.75/79,060.14 = 32,139.25/x
  3. Step 3: Cross multiply
    57,289.75x = 79,060.14 × 32,139.25
  4. Step 4: Simplify right side
    57,289.75x = 2,540,933,604.50
  5. Step 5: Solve for x
    x = 2,540,933,604.50/57,289.75
  6. Step 6: Final answer
    x = 44,352.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.