Finding the Fourth Proportional to 84,528.09, 126,682.25 and 34,551.09
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Solution
The fourth proportional to 84,528.09, 126,682.25 and 34,551.09 is: 51,781.72
Step by Step Solution
- Step 1: Write the proportion equation
84,528.09 : 126,682.25 = 34,551.09 : x - Step 2: Convert to fraction form
84,528.09/126,682.25 = 34,551.09/x - Step 3: Cross multiply
84,528.09x = 126,682.25 × 34,551.09 - Step 4: Simplify right side
84,528.09x = 4,377,009,648.40 - Step 5: Solve for x
x = 4,377,009,648.40/84,528.09 - Step 6: Final answer
x = 51,781.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.