Home / 109,739.70-164,609.55-30,867.30

Finding the Fourth Proportional to 109,739.70, 164,609.55 and 30,867.30

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Solution

The fourth proportional to 109,739.70, 164,609.55 and 30,867.30 is: 46,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.70 : 164,609.55 = 30,867.30 : x
  2. Step 2: Convert to fraction form
    109,739.70/164,609.55 = 30,867.30/x
  3. Step 3: Cross multiply
    109,739.70x = 164,609.55 × 30,867.30
  4. Step 4: Simplify right side
    109,739.70x = 5,081,052,362.72
  5. Step 5: Solve for x
    x = 5,081,052,362.72/109,739.70
  6. Step 6: Final answer
    x = 46,300.95

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1.5x scale

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.