Home / 74,738.16-103,138.65-41,204.16

Finding the Fourth Proportional to 74,738.16, 103,138.65 and 41,204.16

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Solution

The fourth proportional to 74,738.16, 103,138.65 and 41,204.16 is: 56,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,738.16 : 103,138.65 = 41,204.16 : x
  2. Step 2: Convert to fraction form
    74,738.16/103,138.65 = 41,204.16/x
  3. Step 3: Cross multiply
    74,738.16x = 103,138.65 × 41,204.16
  4. Step 4: Simplify right side
    74,738.16x = 4,249,741,436.78
  5. Step 5: Solve for x
    x = 4,249,741,436.78/74,738.16
  6. Step 6: Final answer
    x = 56,861.73

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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.