Home / 74,847.87-103,290.05-51,016.19

Finding the Fourth Proportional to 74,847.87, 103,290.05 and 51,016.19

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Solution

The fourth proportional to 74,847.87, 103,290.05 and 51,016.19 is: 70,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,847.87 : 103,290.05 = 51,016.19 : x
  2. Step 2: Convert to fraction form
    74,847.87/103,290.05 = 51,016.19/x
  3. Step 3: Cross multiply
    74,847.87x = 103,290.05 × 51,016.19
  4. Step 4: Simplify right side
    74,847.87x = 5,269,464,427.00
  5. Step 5: Solve for x
    x = 5,269,464,427.00/74,847.87
  6. Step 6: Final answer
    x = 70,402.33

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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.