Home / 74,168.24-111,251.48-18,008.91

Finding the Fourth Proportional to 74,168.24, 111,251.48 and 18,008.91

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Solution

The fourth proportional to 74,168.24, 111,251.48 and 18,008.91 is: 27,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,168.24 : 111,251.48 = 18,008.91 : x
  2. Step 2: Convert to fraction form
    74,168.24/111,251.48 = 18,008.91/x
  3. Step 3: Cross multiply
    74,168.24x = 111,251.48 × 18,008.91
  4. Step 4: Simplify right side
    74,168.24x = 2,003,517,800.64
  5. Step 5: Solve for x
    x = 2,003,517,800.64/74,168.24
  6. Step 6: Final answer
    x = 27,013.15

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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.