Finding the Fourth Proportional to 86,207.44, 129,143.03 and 48,653.92
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Solution
The fourth proportional to 86,207.44, 129,143.03 and 48,653.92 is: 72,885.99
Step by Step Solution
- Step 1: Write the proportion equation
86,207.44 : 129,143.03 = 48,653.92 : x - Step 2: Convert to fraction form
86,207.44/129,143.03 = 48,653.92/x - Step 3: Cross multiply
86,207.44x = 129,143.03 × 48,653.92 - Step 4: Simplify right side
86,207.44x = 6,283,314,252.42 - Step 5: Solve for x
x = 6,283,314,252.42/86,207.44 - Step 6: Final answer
x = 72,885.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.