Home / 47,708.38-71,559.49-18,125.45

Finding the Fourth Proportional to 47,708.38, 71,559.49 and 18,125.45

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Solution

The fourth proportional to 47,708.38, 71,559.49 and 18,125.45 is: 27,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,708.38 : 71,559.49 = 18,125.45 : x
  2. Step 2: Convert to fraction form
    47,708.38/71,559.49 = 18,125.45/x
  3. Step 3: Cross multiply
    47,708.38x = 71,559.49 × 18,125.45
  4. Step 4: Simplify right side
    47,708.38x = 1,297,047,745.19
  5. Step 5: Solve for x
    x = 1,297,047,745.19/47,708.38
  6. Step 6: Final answer
    x = 27,187.00

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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.