Home / 60,621.54-90,945.88-18,505.37

Finding the Fourth Proportional to 60,621.54, 90,945.88 and 18,505.37

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Solution

The fourth proportional to 60,621.54, 90,945.88 and 18,505.37 is: 27,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,621.54 : 90,945.88 = 18,505.37 : x
  2. Step 2: Convert to fraction form
    60,621.54/90,945.88 = 18,505.37/x
  3. Step 3: Cross multiply
    60,621.54x = 90,945.88 × 18,505.37
  4. Step 4: Simplify right side
    60,621.54x = 1,682,986,658.38
  5. Step 5: Solve for x
    x = 1,682,986,658.38/60,621.54
  6. Step 6: Final answer
    x = 27,762.19

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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.