Home / 74,108.64-111,164.60-26,727.54

Finding the Fourth Proportional to 74,108.64, 111,164.60 and 26,727.54

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Solution

The fourth proportional to 74,108.64, 111,164.60 and 26,727.54 is: 40,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,108.64 : 111,164.60 = 26,727.54 : x
  2. Step 2: Convert to fraction form
    74,108.64/111,164.60 = 26,727.54/x
  3. Step 3: Cross multiply
    74,108.64x = 111,164.60 × 26,727.54
  4. Step 4: Simplify right side
    74,108.64x = 2,971,156,293.08
  5. Step 5: Solve for x
    x = 2,971,156,293.08/74,108.64
  6. Step 6: Final answer
    x = 40,091.90

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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.