Home / 76,187.34-114,354.72-36,772.20

Finding the Fourth Proportional to 76,187.34, 114,354.72 and 36,772.20

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Solution

The fourth proportional to 76,187.34, 114,354.72 and 36,772.20 is: 55,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187.34 : 114,354.72 = 36,772.20 : x
  2. Step 2: Convert to fraction form
    76,187.34/114,354.72 = 36,772.20/x
  3. Step 3: Cross multiply
    76,187.34x = 114,354.72 × 36,772.20
  4. Step 4: Simplify right side
    76,187.34x = 4,205,074,634.78
  5. Step 5: Solve for x
    x = 4,205,074,634.78/76,187.34
  6. Step 6: Final answer
    x = 55,193.88

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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.