Finding the Fourth Proportional to 70,725.07, 106,093.98 and 18,135.01
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Solution
The fourth proportional to 70,725.07, 106,093.98 and 18,135.01 is: 27,204.15
Step by Step Solution
- Step 1: Write the proportion equation
70,725.07 : 106,093.98 = 18,135.01 : x - Step 2: Convert to fraction form
70,725.07/106,093.98 = 18,135.01/x - Step 3: Cross multiply
70,725.07x = 106,093.98 × 18,135.01 - Step 4: Simplify right side
70,725.07x = 1,924,015,388.24 - Step 5: Solve for x
x = 1,924,015,388.24/70,725.07 - Step 6: Final answer
x = 27,204.15
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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.