Home / 57,734.98-79,368.74-49,638.75

Finding the Fourth Proportional to 57,734.98, 79,368.74 and 49,638.75

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Solution

The fourth proportional to 57,734.98, 79,368.74 and 49,638.75 is: 68,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.98 : 79,368.74 = 49,638.75 : x
  2. Step 2: Convert to fraction form
    57,734.98/79,368.74 = 49,638.75/x
  3. Step 3: Cross multiply
    57,734.98x = 79,368.74 × 49,638.75
  4. Step 4: Simplify right side
    57,734.98x = 3,939,764,766.61
  5. Step 5: Solve for x
    x = 3,939,764,766.61/57,734.98
  6. Step 6: Final answer
    x = 68,238.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.