Home / 74,812.30-103,168.96-50,338.25

Finding the Fourth Proportional to 74,812.30, 103,168.96 and 50,338.25

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Solution

The fourth proportional to 74,812.30, 103,168.96 and 50,338.25 is: 69,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,812.30 : 103,168.96 = 50,338.25 : x
  2. Step 2: Convert to fraction form
    74,812.30/103,168.96 = 50,338.25/x
  3. Step 3: Cross multiply
    74,812.30x = 103,168.96 × 50,338.25
  4. Step 4: Simplify right side
    74,812.30x = 5,193,344,645.91
  5. Step 5: Solve for x
    x = 5,193,344,645.91/74,812.30
  6. Step 6: Final answer
    x = 69,418.33

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1.5x scale

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.