Finding the Fourth Proportional to 84,192.35, 116,205.41 and 48,403.19
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Solution
The fourth proportional to 84,192.35, 116,205.41 and 48,403.19 is: 66,807.89
Step by Step Solution
- Step 1: Write the proportion equation
84,192.35 : 116,205.41 = 48,403.19 : x - Step 2: Convert to fraction form
84,192.35/116,205.41 = 48,403.19/x - Step 3: Cross multiply
84,192.35x = 116,205.41 × 48,403.19 - Step 4: Simplify right side
84,192.35x = 5,624,712,950.78 - Step 5: Solve for x
x = 5,624,712,950.78/84,192.35 - Step 6: Final answer
x = 66,807.89
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1.5x scale
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.