Finding the Fourth Proportional to 86,252.40, 129,343.11 and 32,964.06
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Solution
The fourth proportional to 86,252.40, 129,343.11 and 32,964.06 is: 49,432.53
Step by Step Solution
- Step 1: Write the proportion equation
86,252.40 : 129,343.11 = 32,964.06 : x - Step 2: Convert to fraction form
86,252.40/129,343.11 = 32,964.06/x - Step 3: Cross multiply
86,252.40x = 129,343.11 × 32,964.06 - Step 4: Simplify right side
86,252.40x = 4,263,674,038.63 - Step 5: Solve for x
x = 4,263,674,038.63/86,252.40 - Step 6: Final answer
x = 49,432.53
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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.