Home / 109,843.93-164,764.35-43,284.64

Finding the Fourth Proportional to 109,843.93, 164,764.35 and 43,284.64

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Solution

The fourth proportional to 109,843.93, 164,764.35 and 43,284.64 is: 64,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,843.93 : 164,764.35 = 43,284.64 : x
  2. Step 2: Convert to fraction form
    109,843.93/164,764.35 = 43,284.64/x
  3. Step 3: Cross multiply
    109,843.93x = 164,764.35 × 43,284.64
  4. Step 4: Simplify right side
    109,843.93x = 7,131,764,750.76
  5. Step 5: Solve for x
    x = 7,131,764,750.76/109,843.93
  6. Step 6: Final answer
    x = 64,926.34

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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.