Home / 74,724.76-103,120.86-41,191.96

Finding the Fourth Proportional to 74,724.76, 103,120.86 and 41,191.96

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Solution

The fourth proportional to 74,724.76, 103,120.86 and 41,191.96 is: 56,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724.76 : 103,120.86 = 41,191.96 : x
  2. Step 2: Convert to fraction form
    74,724.76/103,120.86 = 41,191.96/x
  3. Step 3: Cross multiply
    74,724.76x = 103,120.86 × 41,191.96
  4. Step 4: Simplify right side
    74,724.76x = 4,247,750,340.29
  5. Step 5: Solve for x
    x = 4,247,750,340.29/74,724.76
  6. Step 6: Final answer
    x = 56,845.29

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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.