Finding the Fourth Proportional to 73,989.12, 102,110.19 and 41,726.62
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Solution
The fourth proportional to 73,989.12, 102,110.19 and 41,726.62 is: 57,585.67
Step by Step Solution
- Step 1: Write the proportion equation
73,989.12 : 102,110.19 = 41,726.62 : x - Step 2: Convert to fraction form
73,989.12/102,110.19 = 41,726.62/x - Step 3: Cross multiply
73,989.12x = 102,110.19 × 41,726.62 - Step 4: Simplify right side
73,989.12x = 4,260,713,096.26 - Step 5: Solve for x
x = 4,260,713,096.26/73,989.12 - Step 6: Final answer
x = 57,585.67
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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.