Home / 109,919.60-164,906.40-31,032.80

Finding the Fourth Proportional to 109,919.60, 164,906.40 and 31,032.80

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Solution

The fourth proportional to 109,919.60, 164,906.40 and 31,032.80 is: 46,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,919.60 : 164,906.40 = 31,032.80 : x
  2. Step 2: Convert to fraction form
    109,919.60/164,906.40 = 31,032.80/x
  3. Step 3: Cross multiply
    109,919.60x = 164,906.40 × 31,032.80
  4. Step 4: Simplify right side
    109,919.60x = 5,117,507,329.92
  5. Step 5: Solve for x
    x = 5,117,507,329.92/109,919.60
  6. Step 6: Final answer
    x = 46,556.82

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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.