Finding the Fourth Proportional to 84,674.17, 116,823.76 and 48,859.48
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Solution
The fourth proportional to 84,674.17, 116,823.76 and 48,859.48 is: 67,410.74
Step by Step Solution
- Step 1: Write the proportion equation
84,674.17 : 116,823.76 = 48,859.48 : x - Step 2: Convert to fraction form
84,674.17/116,823.76 = 48,859.48/x - Step 3: Cross multiply
84,674.17x = 116,823.76 × 48,859.48 - Step 4: Simplify right side
84,674.17x = 5,707,948,165.24 - Step 5: Solve for x
x = 5,707,948,165.24/84,674.17 - Step 6: Final answer
x = 67,410.74
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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.