Home / 76,161.98-114,174.30-36,156.26

Finding the Fourth Proportional to 76,161.98, 114,174.30 and 36,156.26

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Solution

The fourth proportional to 76,161.98, 114,174.30 and 36,156.26 is: 54,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,161.98 : 114,174.30 = 36,156.26 : x
  2. Step 2: Convert to fraction form
    76,161.98/114,174.30 = 36,156.26/x
  3. Step 3: Cross multiply
    76,161.98x = 114,174.30 × 36,156.26
  4. Step 4: Simplify right side
    76,161.98x = 4,128,115,676.12
  5. Step 5: Solve for x
    x = 4,128,115,676.12/76,161.98
  6. Step 6: Final answer
    x = 54,201.79

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1.5x scale

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.