Finding the Fourth Proportional to 84,894.29, 117,154.82 and 53,081.63
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Solution
The fourth proportional to 84,894.29, 117,154.82 and 53,081.63 is: 73,253.09
Step by Step Solution
- Step 1: Write the proportion equation
84,894.29 : 117,154.82 = 53,081.63 : x - Step 2: Convert to fraction form
84,894.29/117,154.82 = 53,081.63/x - Step 3: Cross multiply
84,894.29x = 117,154.82 × 53,081.63 - Step 4: Simplify right side
84,894.29x = 6,218,768,807.96 - Step 5: Solve for x
x = 6,218,768,807.96/84,894.29 - Step 6: Final answer
x = 73,253.09
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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.