Finding the Fourth Proportional to 83,895.92, 115,776.12 and 46,170.14
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Solution
The fourth proportional to 83,895.92, 115,776.12 and 46,170.14 is: 63,714.66
Step by Step Solution
- Step 1: Write the proportion equation
83,895.92 : 115,776.12 = 46,170.14 : x - Step 2: Convert to fraction form
83,895.92/115,776.12 = 46,170.14/x - Step 3: Cross multiply
83,895.92x = 115,776.12 × 46,170.14 - Step 4: Simplify right side
83,895.92x = 5,345,399,669.06 - Step 5: Solve for x
x = 5,345,399,669.06/83,895.92 - Step 6: Final answer
x = 63,714.66
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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.