Finding the Fourth Proportional to 97,135.82, 145,665.39 and 47,201.12
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Solution
The fourth proportional to 97,135.82, 145,665.39 and 47,201.12 is: 70,783.05
Step by Step Solution
- Step 1: Write the proportion equation
97,135.82 : 145,665.39 = 47,201.12 : x - Step 2: Convert to fraction form
97,135.82/145,665.39 = 47,201.12/x - Step 3: Cross multiply
97,135.82x = 145,665.39 × 47,201.12 - Step 4: Simplify right side
97,135.82x = 6,875,569,553.24 - Step 5: Solve for x
x = 6,875,569,553.24/97,135.82 - Step 6: Final answer
x = 70,783.05
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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.