Finding the Fourth Proportional to 80,129.62, 110,569.17 and 44,314.75
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Solution
The fourth proportional to 80,129.62, 110,569.17 and 44,314.75 is: 61,148.99
Step by Step Solution
- Step 1: Write the proportion equation
80,129.62 : 110,569.17 = 44,314.75 : x - Step 2: Convert to fraction form
80,129.62/110,569.17 = 44,314.75/x - Step 3: Cross multiply
80,129.62x = 110,569.17 × 44,314.75 - Step 4: Simplify right side
80,129.62x = 4,899,845,126.26 - Step 5: Solve for x
x = 4,899,845,126.26/80,129.62 - Step 6: Final answer
x = 61,148.99
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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.