Home / 74,202.26-111,303.39-20,894.22

Finding the Fourth Proportional to 74,202.26, 111,303.39 and 20,894.22

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Solution

The fourth proportional to 74,202.26, 111,303.39 and 20,894.22 is: 31,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202.26 : 111,303.39 = 20,894.22 : x
  2. Step 2: Convert to fraction form
    74,202.26/111,303.39 = 20,894.22/x
  3. Step 3: Cross multiply
    74,202.26x = 111,303.39 × 20,894.22
  4. Step 4: Simplify right side
    74,202.26x = 2,325,597,804.83
  5. Step 5: Solve for x
    x = 2,325,597,804.83/74,202.26
  6. Step 6: Final answer
    x = 31,341.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.