Home / 76,512.21-114,655.31-37,022.28

Finding the Fourth Proportional to 76,512.21, 114,655.31 and 37,022.28

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Solution

The fourth proportional to 76,512.21, 114,655.31 and 37,022.28 is: 55,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,512.21 : 114,655.31 = 37,022.28 : x
  2. Step 2: Convert to fraction form
    76,512.21/114,655.31 = 37,022.28/x
  3. Step 3: Cross multiply
    76,512.21x = 114,655.31 × 37,022.28
  4. Step 4: Simplify right side
    76,512.21x = 4,244,800,514.07
  5. Step 5: Solve for x
    x = 4,244,800,514.07/76,512.21
  6. Step 6: Final answer
    x = 55,478.74

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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.