Home / 53,431.40-80,140.04-23,842.38

Finding the Fourth Proportional to 53,431.40, 80,140.04 and 23,842.38

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Solution

The fourth proportional to 53,431.40, 80,140.04 and 23,842.38 is: 35,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.40 : 80,140.04 = 23,842.38 : x
  2. Step 2: Convert to fraction form
    53,431.40/80,140.04 = 23,842.38/x
  3. Step 3: Cross multiply
    53,431.40x = 80,140.04 × 23,842.38
  4. Step 4: Simplify right side
    53,431.40x = 1,910,729,286.90
  5. Step 5: Solve for x
    x = 1,910,729,286.90/53,431.40
  6. Step 6: Final answer
    x = 35,760.42

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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.