Finding the Fourth Proportional to 81,863.36, 112,962.26 and 46,052.62
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Solution
The fourth proportional to 81,863.36, 112,962.26 and 46,052.62 is: 63,547.45
Step by Step Solution
- Step 1: Write the proportion equation
81,863.36 : 112,962.26 = 46,052.62 : x - Step 2: Convert to fraction form
81,863.36/112,962.26 = 46,052.62/x - Step 3: Cross multiply
81,863.36x = 112,962.26 × 46,052.62 - Step 4: Simplify right side
81,863.36x = 5,202,208,034.12 - Step 5: Solve for x
x = 5,202,208,034.12/81,863.36 - Step 6: Final answer
x = 63,547.45
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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.