Finding the Fourth Proportional to 75,715.08, 104,483.07 and 43,894.32
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Solution
The fourth proportional to 75,715.08, 104,483.07 and 43,894.32 is: 60,571.99
Step by Step Solution
- Step 1: Write the proportion equation
75,715.08 : 104,483.07 = 43,894.32 : x - Step 2: Convert to fraction form
75,715.08/104,483.07 = 43,894.32/x - Step 3: Cross multiply
75,715.08x = 104,483.07 × 43,894.32 - Step 4: Simplify right side
75,715.08x = 4,586,213,309.16 - Step 5: Solve for x
x = 4,586,213,309.16/75,715.08 - Step 6: Final answer
x = 60,571.99
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1.5x scale
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.