Finding the Fourth Proportional to 83,830.98, 115,684.44 and 46,105.26
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Solution
The fourth proportional to 83,830.98, 115,684.44 and 46,105.26 is: 63,623.99
Step by Step Solution
- Step 1: Write the proportion equation
83,830.98 : 115,684.44 = 46,105.26 : x - Step 2: Convert to fraction form
83,830.98/115,684.44 = 46,105.26/x - Step 3: Cross multiply
83,830.98x = 115,684.44 × 46,105.26 - Step 4: Simplify right side
83,830.98x = 5,333,661,184.15 - Step 5: Solve for x
x = 5,333,661,184.15/83,830.98 - Step 6: Final answer
x = 63,623.99
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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.