Home / 66,231.54-91,399.11-37,556.64

Finding the Fourth Proportional to 66,231.54, 91,399.11 and 37,556.64

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Solution

The fourth proportional to 66,231.54, 91,399.11 and 37,556.64 is: 51,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,231.54 : 91,399.11 = 37,556.64 : x
  2. Step 2: Convert to fraction form
    66,231.54/91,399.11 = 37,556.64/x
  3. Step 3: Cross multiply
    66,231.54x = 91,399.11 × 37,556.64
  4. Step 4: Simplify right side
    66,231.54x = 3,432,643,470.59
  5. Step 5: Solve for x
    x = 3,432,643,470.59/66,231.54
  6. Step 6: Final answer
    x = 51,827.93

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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.