Home / 110,712.48-166,067.76-31,826.40

Finding the Fourth Proportional to 110,712.48, 166,067.76 and 31,826.40

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Solution

The fourth proportional to 110,712.48, 166,067.76 and 31,826.40 is: 47,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,712.48 : 166,067.76 = 31,826.40 : x
  2. Step 2: Convert to fraction form
    110,712.48/166,067.76 = 31,826.40/x
  3. Step 3: Cross multiply
    110,712.48x = 166,067.76 × 31,826.40
  4. Step 4: Simplify right side
    110,712.48x = 5,285,338,956.86
  5. Step 5: Solve for x
    x = 5,285,338,956.86/110,712.48
  6. Step 6: Final answer
    x = 47,739.32

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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.