Home / 66,219.37-99,326.83-28,779.44

Finding the Fourth Proportional to 66,219.37, 99,326.83 and 28,779.44

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Solution

The fourth proportional to 66,219.37, 99,326.83 and 28,779.44 is: 43,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,219.37 : 99,326.83 = 28,779.44 : x
  2. Step 2: Convert to fraction form
    66,219.37/99,326.83 = 28,779.44/x
  3. Step 3: Cross multiply
    66,219.37x = 99,326.83 × 28,779.44
  4. Step 4: Simplify right side
    66,219.37x = 2,858,570,544.38
  5. Step 5: Solve for x
    x = 2,858,570,544.38/66,219.37
  6. Step 6: Final answer
    x = 43,168.19

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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.