Home / 74,296.64-111,444.57-18,137.05

Finding the Fourth Proportional to 74,296.64, 111,444.57 and 18,137.05

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Solution

The fourth proportional to 74,296.64, 111,444.57 and 18,137.05 is: 27,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,296.64 : 111,444.57 = 18,137.05 : x
  2. Step 2: Convert to fraction form
    74,296.64/111,444.57 = 18,137.05/x
  3. Step 3: Cross multiply
    74,296.64x = 111,444.57 × 18,137.05
  4. Step 4: Simplify right side
    74,296.64x = 2,021,275,527.72
  5. Step 5: Solve for x
    x = 2,021,275,527.72/74,296.64
  6. Step 6: Final answer
    x = 27,205.48

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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.