Home / 74,204.79-111,305.62-18,045.19

Finding the Fourth Proportional to 74,204.79, 111,305.62 and 18,045.19

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Solution

The fourth proportional to 74,204.79, 111,305.62 and 18,045.19 is: 27,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,204.79 : 111,305.62 = 18,045.19 : x
  2. Step 2: Convert to fraction form
    74,204.79/111,305.62 = 18,045.19/x
  3. Step 3: Cross multiply
    74,204.79x = 111,305.62 × 18,045.19
  4. Step 4: Simplify right side
    74,204.79x = 2,008,531,060.97
  5. Step 5: Solve for x
    x = 2,008,531,060.97/74,204.79
  6. Step 6: Final answer
    x = 27,067.40

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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.