Home / 74,712.27-103,102.70-41,178.27

Finding the Fourth Proportional to 74,712.27, 103,102.70 and 41,178.27

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Solution

The fourth proportional to 74,712.27, 103,102.70 and 41,178.27 is: 56,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,712.27 : 103,102.70 = 41,178.27 : x
  2. Step 2: Convert to fraction form
    74,712.27/103,102.70 = 41,178.27/x
  3. Step 3: Cross multiply
    74,712.27x = 103,102.70 × 41,178.27
  4. Step 4: Simplify right side
    74,712.27x = 4,245,590,612.44
  5. Step 5: Solve for x
    x = 4,245,590,612.44/74,712.27
  6. Step 6: Final answer
    x = 56,825.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.