Finding the Fourth Proportional to 75,019.68, 103,523.81 and 43,181.82
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Solution
The fourth proportional to 75,019.68, 103,523.81 and 43,181.82 is: 59,588.98
Step by Step Solution
- Step 1: Write the proportion equation
75,019.68 : 103,523.81 = 43,181.82 : x - Step 2: Convert to fraction form
75,019.68/103,523.81 = 43,181.82/x - Step 3: Cross multiply
75,019.68x = 103,523.81 × 43,181.82 - Step 4: Simplify right side
75,019.68x = 4,470,346,313.23 - Step 5: Solve for x
x = 4,470,346,313.23/75,019.68 - Step 6: Final answer
x = 59,588.98
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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.