Home / 76,359.33-114,422.06-31,961.90

Finding the Fourth Proportional to 76,359.33, 114,422.06 and 31,961.90

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Solution

The fourth proportional to 76,359.33, 114,422.06 and 31,961.90 is: 47,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,359.33 : 114,422.06 = 31,961.90 : x
  2. Step 2: Convert to fraction form
    76,359.33/114,422.06 = 31,961.90/x
  3. Step 3: Cross multiply
    76,359.33x = 114,422.06 × 31,961.90
  4. Step 4: Simplify right side
    76,359.33x = 3,657,145,707.59
  5. Step 5: Solve for x
    x = 3,657,145,707.59/76,359.33
  6. Step 6: Final answer
    x = 47,893.89

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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.