Home / 74,383.20-111,574.80-27,626.40

Finding the Fourth Proportional to 74,383.20, 111,574.80 and 27,626.40

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Solution

The fourth proportional to 74,383.20, 111,574.80 and 27,626.40 is: 41,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,383.20 : 111,574.80 = 27,626.40 : x
  2. Step 2: Convert to fraction form
    74,383.20/111,574.80 = 27,626.40/x
  3. Step 3: Cross multiply
    74,383.20x = 111,574.80 × 27,626.40
  4. Step 4: Simplify right side
    74,383.20x = 3,082,410,054.72
  5. Step 5: Solve for x
    x = 3,082,410,054.72/74,383.20
  6. Step 6: Final answer
    x = 41,439.60

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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.