Home / 74,738.76-103,140.26-41,205.96

Finding the Fourth Proportional to 74,738.76, 103,140.26 and 41,205.96

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Solution

The fourth proportional to 74,738.76, 103,140.26 and 41,205.96 is: 56,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,738.76 : 103,140.26 = 41,205.96 : x
  2. Step 2: Convert to fraction form
    74,738.76/103,140.26 = 41,205.96/x
  3. Step 3: Cross multiply
    74,738.76x = 103,140.26 × 41,205.96
  4. Step 4: Simplify right side
    74,738.76x = 4,249,993,427.95
  5. Step 5: Solve for x
    x = 4,249,993,427.95/74,738.76
  6. Step 6: Final answer
    x = 56,864.65

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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.