Home / 69,236.80-103,857.48-21,852.36

Finding the Fourth Proportional to 69,236.80, 103,857.48 and 21,852.36

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Solution

The fourth proportional to 69,236.80, 103,857.48 and 21,852.36 is: 32,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,236.80 : 103,857.48 = 21,852.36 : x
  2. Step 2: Convert to fraction form
    69,236.80/103,857.48 = 21,852.36/x
  3. Step 3: Cross multiply
    69,236.80x = 103,857.48 × 21,852.36
  4. Step 4: Simplify right side
    69,236.80x = 2,269,531,041.65
  5. Step 5: Solve for x
    x = 2,269,531,041.65/69,236.80
  6. Step 6: Final answer
    x = 32,779.26

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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.