Home / 57,621.87-79,337.23-48,991.08

Finding the Fourth Proportional to 57,621.87, 79,337.23 and 48,991.08

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Solution

The fourth proportional to 57,621.87, 79,337.23 and 48,991.08 is: 67,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621.87 : 79,337.23 = 48,991.08 : x
  2. Step 2: Convert to fraction form
    57,621.87/79,337.23 = 48,991.08/x
  3. Step 3: Cross multiply
    57,621.87x = 79,337.23 × 48,991.08
  4. Step 4: Simplify right side
    57,621.87x = 3,886,815,940.27
  5. Step 5: Solve for x
    x = 3,886,815,940.27/57,621.87
  6. Step 6: Final answer
    x = 67,453.84

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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.