Finding the Fourth Proportional to 103,852.05, 143,316.39 and 58,530.75
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Solution
The fourth proportional to 103,852.05, 143,316.39 and 58,530.75 is: 80,772.75
Step by Step Solution
- Step 1: Write the proportion equation
103,852.05 : 143,316.39 = 58,530.75 : x - Step 2: Convert to fraction form
103,852.05/143,316.39 = 58,530.75/x - Step 3: Cross multiply
103,852.05x = 143,316.39 × 58,530.75 - Step 4: Simplify right side
103,852.05x = 8,388,415,793.99 - Step 5: Solve for x
x = 8,388,415,793.99/103,852.05 - Step 6: Final answer
x = 80,772.75
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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.