Home / 69,075.37-103,609.97-21,689.33

Finding the Fourth Proportional to 69,075.37, 103,609.97 and 21,689.33

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Solution

The fourth proportional to 69,075.37, 103,609.97 and 21,689.33 is: 32,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,075.37 : 103,609.97 = 21,689.33 : x
  2. Step 2: Convert to fraction form
    69,075.37/103,609.97 = 21,689.33/x
  3. Step 3: Cross multiply
    69,075.37x = 103,609.97 × 21,689.33
  4. Step 4: Simplify right side
    69,075.37x = 2,247,230,722.17
  5. Step 5: Solve for x
    x = 2,247,230,722.17/69,075.37
  6. Step 6: Final answer
    x = 32,533.03

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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.