Finding the Fourth Proportional to 86,374.51, 119,194.88 and 48,133.87
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Solution
The fourth proportional to 86,374.51, 119,194.88 and 48,133.87 is: 66,423.65
Step by Step Solution
- Step 1: Write the proportion equation
86,374.51 : 119,194.88 = 48,133.87 : x - Step 2: Convert to fraction form
86,374.51/119,194.88 = 48,133.87/x - Step 3: Cross multiply
86,374.51x = 119,194.88 × 48,133.87 - Step 4: Simplify right side
86,374.51x = 5,737,310,319.93 - Step 5: Solve for x
x = 5,737,310,319.93/86,374.51 - Step 6: Final answer
x = 66,423.65
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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.