Finding the Fourth Proportional to 86,454.08, 119,304.25 and 48,214.79
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Solution
The fourth proportional to 86,454.08, 119,304.25 and 48,214.79 is: 66,535.08
Step by Step Solution
- Step 1: Write the proportion equation
86,454.08 : 119,304.25 = 48,214.79 : x - Step 2: Convert to fraction form
86,454.08/119,304.25 = 48,214.79/x - Step 3: Cross multiply
86,454.08x = 119,304.25 × 48,214.79 - Step 4: Simplify right side
86,454.08x = 5,752,228,642.80 - Step 5: Solve for x
x = 5,752,228,642.80/86,454.08 - Step 6: Final answer
x = 66,535.08
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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.