Finding the Fourth Proportional to 69,782.06, 104,676.30 and 22,399.08
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Solution
The fourth proportional to 69,782.06, 104,676.30 and 22,399.08 is: 33,599.65
Step by Step Solution
- Step 1: Write the proportion equation
69,782.06 : 104,676.30 = 22,399.08 : x - Step 2: Convert to fraction form
69,782.06/104,676.30 = 22,399.08/x - Step 3: Cross multiply
69,782.06x = 104,676.30 × 22,399.08 - Step 4: Simplify right side
69,782.06x = 2,344,652,817.80 - Step 5: Solve for x
x = 2,344,652,817.80/69,782.06 - Step 6: Final answer
x = 33,599.65
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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.