Finding the Fourth Proportional to 84,282.80, 116,313.80 and 48,472.84
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Solution
The fourth proportional to 84,282.80, 116,313.80 and 48,472.84 is: 66,894.55
Step by Step Solution
- Step 1: Write the proportion equation
84,282.80 : 116,313.80 = 48,472.84 : x - Step 2: Convert to fraction form
84,282.80/116,313.80 = 48,472.84/x - Step 3: Cross multiply
84,282.80x = 116,313.80 × 48,472.84 - Step 4: Simplify right side
84,282.80x = 5,638,060,047.59 - Step 5: Solve for x
x = 5,638,060,047.59/84,282.80 - Step 6: Final answer
x = 66,894.55
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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.