Finding the Fourth Proportional to 86,398.68, 119,229.66 and 48,685.08
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Solution
The fourth proportional to 86,398.68, 119,229.66 and 48,685.08 is: 67,185.12
Step by Step Solution
- Step 1: Write the proportion equation
86,398.68 : 119,229.66 = 48,685.08 : x - Step 2: Convert to fraction form
86,398.68/119,229.66 = 48,685.08/x - Step 3: Cross multiply
86,398.68x = 119,229.66 × 48,685.08 - Step 4: Simplify right side
86,398.68x = 5,804,705,535.47 - Step 5: Solve for x
x = 5,804,705,535.47/86,398.68 - Step 6: Final answer
x = 67,185.12
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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.