Finding the Fourth Proportional to 69,855.60, 104,782.37 and 17,265.08
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Solution
The fourth proportional to 69,855.60, 104,782.37 and 17,265.08 is: 25,897.37
Step by Step Solution
- Step 1: Write the proportion equation
69,855.60 : 104,782.37 = 17,265.08 : x - Step 2: Convert to fraction form
69,855.60/104,782.37 = 17,265.08/x - Step 3: Cross multiply
69,855.60x = 104,782.37 × 17,265.08 - Step 4: Simplify right side
69,855.60x = 1,809,076,000.64 - Step 5: Solve for x
x = 1,809,076,000.64/69,855.60 - Step 6: Final answer
x = 25,897.37
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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.