Home / 89,383.14-123,318.72-50,615.68

Finding the Fourth Proportional to 89,383.14, 123,318.72 and 50,615.68

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Solution

The fourth proportional to 89,383.14, 123,318.72 and 50,615.68 is: 69,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,383.14 : 123,318.72 = 50,615.68 : x
  2. Step 2: Convert to fraction form
    89,383.14/123,318.72 = 50,615.68/x
  3. Step 3: Cross multiply
    89,383.14x = 123,318.72 × 50,615.68
  4. Step 4: Simplify right side
    89,383.14x = 6,241,860,869.53
  5. Step 5: Solve for x
    x = 6,241,860,869.53/89,383.14
  6. Step 6: Final answer
    x = 69,832.64

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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.