Home / 109,944.70-164,917.05-74,952.70

Finding the Fourth Proportional to 109,944.70, 164,917.05 and 74,952.70

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Solution

The fourth proportional to 109,944.70, 164,917.05 and 74,952.70 is: 112,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,944.70 : 164,917.05 = 74,952.70 : x
  2. Step 2: Convert to fraction form
    109,944.70/164,917.05 = 74,952.70/x
  3. Step 3: Cross multiply
    109,944.70x = 164,917.05 × 74,952.70
  4. Step 4: Simplify right side
    109,944.70x = 12,360,978,173.54
  5. Step 5: Solve for x
    x = 12,360,978,173.54/109,944.70
  6. Step 6: Final answer
    x = 112,429.05

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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.