Finding the Fourth Proportional to 74,081.52, 102,204.96 and 47,217.84
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Solution
The fourth proportional to 74,081.52, 102,204.96 and 47,217.84 is: 65,143.07
Step by Step Solution
- Step 1: Write the proportion equation
74,081.52 : 102,204.96 = 47,217.84 : x - Step 2: Convert to fraction form
74,081.52/102,204.96 = 47,217.84/x - Step 3: Cross multiply
74,081.52x = 102,204.96 × 47,217.84 - Step 4: Simplify right side
74,081.52x = 4,825,897,448.49 - Step 5: Solve for x
x = 4,825,897,448.49/74,081.52 - Step 6: Final answer
x = 65,143.07
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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.