Finding the Fourth Proportional to 84,495.42, 116,629.62 and 48,709.32
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Solution
The fourth proportional to 84,495.42, 116,629.62 and 48,709.32 is: 67,233.82
Step by Step Solution
- Step 1: Write the proportion equation
84,495.42 : 116,629.62 = 48,709.32 : x - Step 2: Convert to fraction form
84,495.42/116,629.62 = 48,709.32/x - Step 3: Cross multiply
84,495.42x = 116,629.62 × 48,709.32 - Step 4: Simplify right side
84,495.42x = 5,680,949,482.06 - Step 5: Solve for x
x = 5,680,949,482.06/84,495.42 - Step 6: Final answer
x = 67,233.82
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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.