Finding the Fourth Proportional to 105,929.08, 158,893.42 and 27,043.28
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Solution
The fourth proportional to 105,929.08, 158,893.42 and 27,043.28 is: 40,564.87
Step by Step Solution
- Step 1: Write the proportion equation
105,929.08 : 158,893.42 = 27,043.28 : x - Step 2: Convert to fraction form
105,929.08/158,893.42 = 27,043.28/x - Step 3: Cross multiply
105,929.08x = 158,893.42 × 27,043.28 - Step 4: Simplify right side
105,929.08x = 4,296,999,247.22 - Step 5: Solve for x
x = 4,296,999,247.22/105,929.08 - Step 6: Final answer
x = 40,564.87
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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.