Finding the Fourth Proportional to 86,393.52, 129,349.44 and 44,182.80
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Solution
The fourth proportional to 86,393.52, 129,349.44 and 44,182.80 is: 66,151.03
Step by Step Solution
- Step 1: Write the proportion equation
86,393.52 : 129,349.44 = 44,182.80 : x - Step 2: Convert to fraction form
86,393.52/129,349.44 = 44,182.80/x - Step 3: Cross multiply
86,393.52x = 129,349.44 × 44,182.80 - Step 4: Simplify right side
86,393.52x = 5,715,020,437.63 - Step 5: Solve for x
x = 5,715,020,437.63/86,393.52 - Step 6: Final answer
x = 66,151.03
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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.