Home / 69,618.48-96,076.68-42,755.64

Finding the Fourth Proportional to 69,618.48, 96,076.68 and 42,755.64

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Solution

The fourth proportional to 69,618.48, 96,076.68 and 42,755.64 is: 59,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.48 : 96,076.68 = 42,755.64 : x
  2. Step 2: Convert to fraction form
    69,618.48/96,076.68 = 42,755.64/x
  3. Step 3: Cross multiply
    69,618.48x = 96,076.68 × 42,755.64
  4. Step 4: Simplify right side
    69,618.48x = 4,107,819,942.48
  5. Step 5: Solve for x
    x = 4,107,819,942.48/69,618.48
  6. Step 6: Final answer
    x = 59,004.73

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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.