Home / 76,996.44-115,493.30-39,534.50

Finding the Fourth Proportional to 76,996.44, 115,493.30 and 39,534.50

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Solution

The fourth proportional to 76,996.44, 115,493.30 and 39,534.50 is: 59,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,996.44 : 115,493.30 = 39,534.50 : x
  2. Step 2: Convert to fraction form
    76,996.44/115,493.30 = 39,534.50/x
  3. Step 3: Cross multiply
    76,996.44x = 115,493.30 × 39,534.50
  4. Step 4: Simplify right side
    76,996.44x = 4,565,970,108.17
  5. Step 5: Solve for x
    x = 4,565,970,108.17/76,996.44
  6. Step 6: Final answer
    x = 59,301.05

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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.