Finding the Fourth Proportional to 75,614.19, 104,346.74 and 41,621.94
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Solution
The fourth proportional to 75,614.19, 104,346.74 and 41,621.94 is: 57,437.82
Step by Step Solution
- Step 1: Write the proportion equation
75,614.19 : 104,346.74 = 41,621.94 : x - Step 2: Convert to fraction form
75,614.19/104,346.74 = 41,621.94/x - Step 3: Cross multiply
75,614.19x = 104,346.74 × 41,621.94 - Step 4: Simplify right side
75,614.19x = 4,343,113,855.53 - Step 5: Solve for x
x = 4,343,113,855.53/75,614.19 - Step 6: Final answer
x = 57,437.82
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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.