Finding the Fourth Proportional to 86,554.94, 119,445.36 and 48,312.29
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Solution
The fourth proportional to 86,554.94, 119,445.36 and 48,312.29 is: 66,670.70
Step by Step Solution
- Step 1: Write the proportion equation
86,554.94 : 119,445.36 = 48,312.29 : x - Step 2: Convert to fraction form
86,554.94/119,445.36 = 48,312.29/x - Step 3: Cross multiply
86,554.94x = 119,445.36 × 48,312.29 - Step 4: Simplify right side
86,554.94x = 5,770,678,274.25 - Step 5: Solve for x
x = 5,770,678,274.25/86,554.94 - Step 6: Final answer
x = 66,670.70
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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.