Home / 43,362.80-65,056.44-12,198.32

Finding the Fourth Proportional to 43,362.80, 65,056.44 and 12,198.32

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Solution

The fourth proportional to 43,362.80, 65,056.44 and 12,198.32 is: 18,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,362.80 : 65,056.44 = 12,198.32 : x
  2. Step 2: Convert to fraction form
    43,362.80/65,056.44 = 12,198.32/x
  3. Step 3: Cross multiply
    43,362.80x = 65,056.44 × 12,198.32
  4. Step 4: Simplify right side
    43,362.80x = 793,579,273.18
  5. Step 5: Solve for x
    x = 793,579,273.18/43,362.80
  6. Step 6: Final answer
    x = 18,300.92

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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.