Home / 109,968.52-164,921.82-53,778.28

Finding the Fourth Proportional to 109,968.52, 164,921.82 and 53,778.28

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Solution

The fourth proportional to 109,968.52, 164,921.82 and 53,778.28 is: 80,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,968.52 : 164,921.82 = 53,778.28 : x
  2. Step 2: Convert to fraction form
    109,968.52/164,921.82 = 53,778.28/x
  3. Step 3: Cross multiply
    109,968.52x = 164,921.82 × 53,778.28
  4. Step 4: Simplify right side
    109,968.52x = 8,869,211,814.07
  5. Step 5: Solve for x
    x = 8,869,211,814.07/109,968.52
  6. Step 6: Final answer
    x = 80,652.28

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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.