Finding the Fourth Proportional to 73,639.68, 101,557.44 and 48,160.32
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Solution
The fourth proportional to 73,639.68, 101,557.44 and 48,160.32 is: 66,418.52
Step by Step Solution
- Step 1: Write the proportion equation
73,639.68 : 101,557.44 = 48,160.32 : x - Step 2: Convert to fraction form
73,639.68/101,557.44 = 48,160.32/x - Step 3: Cross multiply
73,639.68x = 101,557.44 × 48,160.32 - Step 4: Simplify right side
73,639.68x = 4,891,038,808.78 - Step 5: Solve for x
x = 4,891,038,808.78/73,639.68 - Step 6: Final answer
x = 66,418.52
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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.