Finding the Fourth Proportional to 71,161.32, 106,093.35 and 69,343.68
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Solution
The fourth proportional to 71,161.32, 106,093.35 and 69,343.68 is: 103,383.46
Step by Step Solution
- Step 1: Write the proportion equation
71,161.32 : 106,093.35 = 69,343.68 : x - Step 2: Convert to fraction form
71,161.32/106,093.35 = 69,343.68/x - Step 3: Cross multiply
71,161.32x = 106,093.35 × 69,343.68 - Step 4: Simplify right side
71,161.32x = 7,356,903,312.53 - Step 5: Solve for x
x = 7,356,903,312.53/71,161.32 - Step 6: Final answer
x = 103,383.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.