Home / 110,694.08-166,023.29-31,790.36

Finding the Fourth Proportional to 110,694.08, 166,023.29 and 31,790.36

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Solution

The fourth proportional to 110,694.08, 166,023.29 and 31,790.36 is: 47,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,694.08 : 166,023.29 = 31,790.36 : x
  2. Step 2: Convert to fraction form
    110,694.08/166,023.29 = 31,790.36/x
  3. Step 3: Cross multiply
    110,694.08x = 166,023.29 × 31,790.36
  4. Step 4: Simplify right side
    110,694.08x = 5,277,939,406.84
  5. Step 5: Solve for x
    x = 5,277,939,406.84/110,694.08
  6. Step 6: Final answer
    x = 47,680.41

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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.