Home / 74,639.74-103,002.39-41,105.50

Finding the Fourth Proportional to 74,639.74, 103,002.39 and 41,105.50

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Solution

The fourth proportional to 74,639.74, 103,002.39 and 41,105.50 is: 56,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,639.74 : 103,002.39 = 41,105.50 : x
  2. Step 2: Convert to fraction form
    74,639.74/103,002.39 = 41,105.50/x
  3. Step 3: Cross multiply
    74,639.74x = 103,002.39 × 41,105.50
  4. Step 4: Simplify right side
    74,639.74x = 4,233,964,742.15
  5. Step 5: Solve for x
    x = 4,233,964,742.15/74,639.74
  6. Step 6: Final answer
    x = 56,725.34

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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.