Finding the Fourth Proportional to 84,488.96, 116,566.29 and 48,678.08
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Solution
The fourth proportional to 84,488.96, 116,566.29 and 48,678.08 is: 67,159.34
Step by Step Solution
- Step 1: Write the proportion equation
84,488.96 : 116,566.29 = 48,678.08 : x - Step 2: Convert to fraction form
84,488.96/116,566.29 = 48,678.08/x - Step 3: Cross multiply
84,488.96x = 116,566.29 × 48,678.08 - Step 4: Simplify right side
84,488.96x = 5,674,222,485.40 - Step 5: Solve for x
x = 5,674,222,485.40/84,488.96 - Step 6: Final answer
x = 67,159.34
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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.