Finding the Fourth Proportional to 86,502.41, 119,374.19 and 48,261.63
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Solution
The fourth proportional to 86,502.41, 119,374.19 and 48,261.63 is: 66,601.53
Step by Step Solution
- Step 1: Write the proportion equation
86,502.41 : 119,374.19 = 48,261.63 : x - Step 2: Convert to fraction form
86,502.41/119,374.19 = 48,261.63/x - Step 3: Cross multiply
86,502.41x = 119,374.19 × 48,261.63 - Step 4: Simplify right side
86,502.41x = 5,761,192,748.02 - Step 5: Solve for x
x = 5,761,192,748.02/86,502.41 - Step 6: Final answer
x = 66,601.53
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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.