Home / 74,856.45-103,319.26-49,367.41

Finding the Fourth Proportional to 74,856.45, 103,319.26 and 49,367.41

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Solution

The fourth proportional to 74,856.45, 103,319.26 and 49,367.41 is: 68,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,856.45 : 103,319.26 = 49,367.41 : x
  2. Step 2: Convert to fraction form
    74,856.45/103,319.26 = 49,367.41/x
  3. Step 3: Cross multiply
    74,856.45x = 103,319.26 × 49,367.41
  4. Step 4: Simplify right side
    74,856.45x = 5,100,604,269.32
  5. Step 5: Solve for x
    x = 5,100,604,269.32/74,856.45
  6. Step 6: Final answer
    x = 68,138.48

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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.