Home / 74,134.44-111,187.08-20,098.13

Finding the Fourth Proportional to 74,134.44, 111,187.08 and 20,098.13

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Solution

The fourth proportional to 74,134.44, 111,187.08 and 20,098.13 is: 30,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,134.44 : 111,187.08 = 20,098.13 : x
  2. Step 2: Convert to fraction form
    74,134.44/111,187.08 = 20,098.13/x
  3. Step 3: Cross multiply
    74,134.44x = 111,187.08 × 20,098.13
  4. Step 4: Simplify right side
    74,134.44x = 2,234,651,832.23
  5. Step 5: Solve for x
    x = 2,234,651,832.23/74,134.44
  6. Step 6: Final answer
    x = 30,143.23

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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.