Finding the Fourth Proportional to 75,838.44, 104,652.09 and 45,618.15
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Solution
The fourth proportional to 75,838.44, 104,652.09 and 45,618.15 is: 62,950.07
Step by Step Solution
- Step 1: Write the proportion equation
75,838.44 : 104,652.09 = 45,618.15 : x - Step 2: Convert to fraction form
75,838.44/104,652.09 = 45,618.15/x - Step 3: Cross multiply
75,838.44x = 104,652.09 × 45,618.15 - Step 4: Simplify right side
75,838.44x = 4,774,034,739.43 - Step 5: Solve for x
x = 4,774,034,739.43/75,838.44 - Step 6: Final answer
x = 62,950.07
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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.