Home / 74,449.08-111,768.39-48,263.40

Finding the Fourth Proportional to 74,449.08, 111,768.39 and 48,263.40

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Solution

The fourth proportional to 74,449.08, 111,768.39 and 48,263.40 is: 72,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449.08 : 111,768.39 = 48,263.40 : x
  2. Step 2: Convert to fraction form
    74,449.08/111,768.39 = 48,263.40/x
  3. Step 3: Cross multiply
    74,449.08x = 111,768.39 × 48,263.40
  4. Step 4: Simplify right side
    74,449.08x = 5,394,322,513.93
  5. Step 5: Solve for x
    x = 5,394,322,513.93/74,449.08
  6. Step 6: Final answer
    x = 72,456.54

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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.