Finding the Fourth Proportional to 75,663.92, 104,304.17 and 48,435.99
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Solution
The fourth proportional to 75,663.92, 104,304.17 and 48,435.99 is: 66,769.95
Step by Step Solution
- Step 1: Write the proportion equation
75,663.92 : 104,304.17 = 48,435.99 : x - Step 2: Convert to fraction form
75,663.92/104,304.17 = 48,435.99/x - Step 3: Cross multiply
75,663.92x = 104,304.17 × 48,435.99 - Step 4: Simplify right side
75,663.92x = 5,052,075,492.90 - Step 5: Solve for x
x = 5,052,075,492.90/75,663.92 - Step 6: Final answer
x = 66,769.95
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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.