Finding the Fourth Proportional to 86,159.44, 129,302.36 and 56,566.90
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Solution
The fourth proportional to 86,159.44, 129,302.36 and 56,566.90 is: 84,891.84
Step by Step Solution
- Step 1: Write the proportion equation
86,159.44 : 129,302.36 = 56,566.90 : x - Step 2: Convert to fraction form
86,159.44/129,302.36 = 56,566.90/x - Step 3: Cross multiply
86,159.44x = 129,302.36 × 56,566.90 - Step 4: Simplify right side
86,159.44x = 7,314,232,738.54 - Step 5: Solve for x
x = 7,314,232,738.54/86,159.44 - Step 6: Final answer
x = 84,891.84
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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.