Finding the Fourth Proportional to 96,478.05, 133,066.50 and 84,520.62
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Solution
The fourth proportional to 96,478.05, 133,066.50 and 84,520.62 is: 116,574.32
Step by Step Solution
- Step 1: Write the proportion equation
96,478.05 : 133,066.50 = 84,520.62 : x - Step 2: Convert to fraction form
96,478.05/133,066.50 = 84,520.62/x - Step 3: Cross multiply
96,478.05x = 133,066.50 × 84,520.62 - Step 4: Simplify right side
96,478.05x = 11,246,863,081.23 - Step 5: Solve for x
x = 11,246,863,081.23/96,478.05 - Step 6: Final answer
x = 116,574.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.