Finding the Fourth Proportional to 84,474.09, 116,545.77 and 48,663.18
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Solution
The fourth proportional to 84,474.09, 116,545.77 and 48,663.18 is: 67,138.79
Step by Step Solution
- Step 1: Write the proportion equation
84,474.09 : 116,545.77 = 48,663.18 : x - Step 2: Convert to fraction form
84,474.09/116,545.77 = 48,663.18/x - Step 3: Cross multiply
84,474.09x = 116,545.77 × 48,663.18 - Step 4: Simplify right side
84,474.09x = 5,671,487,783.75 - Step 5: Solve for x
x = 5,671,487,783.75/84,474.09 - Step 6: Final answer
x = 67,138.79
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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.