Home / 104,002.31-156,003.46-29,133.54

Finding the Fourth Proportional to 104,002.31, 156,003.46 and 29,133.54

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Solution

The fourth proportional to 104,002.31, 156,003.46 and 29,133.54 is: 43,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,002.31 : 156,003.46 = 29,133.54 : x
  2. Step 2: Convert to fraction form
    104,002.31/156,003.46 = 29,133.54/x
  3. Step 3: Cross multiply
    104,002.31x = 156,003.46 × 29,133.54
  4. Step 4: Simplify right side
    104,002.31x = 4,544,932,969.21
  5. Step 5: Solve for x
    x = 4,544,932,969.21/104,002.31
  6. Step 6: Final answer
    x = 43,700.31

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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.