Home / 49,712.45-74,568.68-40,928.91

Finding the Fourth Proportional to 49,712.45, 74,568.68 and 40,928.91

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Solution

The fourth proportional to 49,712.45, 74,568.68 and 40,928.91 is: 61,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,712.45 : 74,568.68 = 40,928.91 : x
  2. Step 2: Convert to fraction form
    49,712.45/74,568.68 = 40,928.91/x
  3. Step 3: Cross multiply
    49,712.45x = 74,568.68 × 40,928.91
  4. Step 4: Simplify right side
    49,712.45x = 3,052,014,587.89
  5. Step 5: Solve for x
    x = 3,052,014,587.89/49,712.45
  6. Step 6: Final answer
    x = 61,393.37

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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.