Finding the Fourth Proportional to 75,480.66, 104,186.52 and 48,623.09
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Solution
The fourth proportional to 75,480.66, 104,186.52 and 48,623.09 is: 67,114.81
Step by Step Solution
- Step 1: Write the proportion equation
75,480.66 : 104,186.52 = 48,623.09 : x - Step 2: Convert to fraction form
75,480.66/104,186.52 = 48,623.09/x - Step 3: Cross multiply
75,480.66x = 104,186.52 × 48,623.09 - Step 4: Simplify right side
75,480.66x = 5,065,870,017.81 - Step 5: Solve for x
x = 5,065,870,017.81/75,480.66 - Step 6: Final answer
x = 67,114.81
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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.