Home / 74,247.58-111,370.22-18,087.62

Finding the Fourth Proportional to 74,247.58, 111,370.22 and 18,087.62

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Solution

The fourth proportional to 74,247.58, 111,370.22 and 18,087.62 is: 27,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247.58 : 111,370.22 = 18,087.62 : x
  2. Step 2: Convert to fraction form
    74,247.58/111,370.22 = 18,087.62/x
  3. Step 3: Cross multiply
    74,247.58x = 111,370.22 × 18,087.62
  4. Step 4: Simplify right side
    74,247.58x = 2,014,422,128.24
  5. Step 5: Solve for x
    x = 2,014,422,128.24/74,247.58
  6. Step 6: Final answer
    x = 27,131.15

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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.