Home / 76,044.48-114,076.56-29,310.72

Finding the Fourth Proportional to 76,044.48, 114,076.56 and 29,310.72

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Solution

The fourth proportional to 76,044.48, 114,076.56 and 29,310.72 is: 43,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,044.48 : 114,076.56 = 29,310.72 : x
  2. Step 2: Convert to fraction form
    76,044.48/114,076.56 = 29,310.72/x
  3. Step 3: Cross multiply
    76,044.48x = 114,076.56 × 29,310.72
  4. Step 4: Simplify right side
    76,044.48x = 3,343,666,108.72
  5. Step 5: Solve for x
    x = 3,343,666,108.72/76,044.48
  6. Step 6: Final answer
    x = 43,969.87

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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.