Finding the Fourth Proportional to 86,454.63, 119,307.16 and 48,214.23
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Solution
The fourth proportional to 86,454.63, 119,307.16 and 48,214.23 is: 66,535.50
Step by Step Solution
- Step 1: Write the proportion equation
86,454.63 : 119,307.16 = 48,214.23 : x - Step 2: Convert to fraction form
86,454.63/119,307.16 = 48,214.23/x - Step 3: Cross multiply
86,454.63x = 119,307.16 × 48,214.23 - Step 4: Simplify right side
86,454.63x = 5,752,302,523.56 - Step 5: Solve for x
x = 5,752,302,523.56/86,454.63 - Step 6: Final answer
x = 66,535.50
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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.