Home / 74,928.34-111,845.91-65,469.74

Finding the Fourth Proportional to 74,928.34, 111,845.91 and 65,469.74

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Solution

The fourth proportional to 74,928.34, 111,845.91 and 65,469.74 is: 97,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.34 : 111,845.91 = 65,469.74 : x
  2. Step 2: Convert to fraction form
    74,928.34/111,845.91 = 65,469.74/x
  3. Step 3: Cross multiply
    74,928.34x = 111,845.91 × 65,469.74
  4. Step 4: Simplify right side
    74,928.34x = 7,322,522,052.73
  5. Step 5: Solve for x
    x = 7,322,522,052.73/74,928.34
  6. Step 6: Final answer
    x = 97,727.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.