Finding the Fourth Proportional to 83,877.84, 115,751.43 and 46,152.09
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Solution
The fourth proportional to 83,877.84, 115,751.43 and 46,152.09 is: 63,689.89
Step by Step Solution
- Step 1: Write the proportion equation
83,877.84 : 115,751.43 = 46,152.09 : x - Step 2: Convert to fraction form
83,877.84/115,751.43 = 46,152.09/x - Step 3: Cross multiply
83,877.84x = 115,751.43 × 46,152.09 - Step 4: Simplify right side
83,877.84x = 5,342,170,414.99 - Step 5: Solve for x
x = 5,342,170,414.99/83,877.84 - Step 6: Final answer
x = 63,689.89
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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.