Finding the Fourth Proportional to 84,823.70, 118,908.70 and 84,823.70
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Solution
The fourth proportional to 84,823.70, 118,908.70 and 84,823.70 is: 118,908.70
Step by Step Solution
- Step 1: Write the proportion equation
84,823.70 : 118,908.70 = 84,823.70 : x - Step 2: Convert to fraction form
84,823.70/118,908.70 = 84,823.70/x - Step 3: Cross multiply
84,823.70x = 118,908.70 × 84,823.70 - Step 4: Simplify right side
84,823.70x = 10,086,275,896.19 - Step 5: Solve for x
x = 10,086,275,896.19/84,823.70 - Step 6: Final answer
x = 118,908.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.