Finding the Fourth Proportional to 83,777.80, 115,609.80 and 46,051.96
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Solution
The fourth proportional to 83,777.80, 115,609.80 and 46,051.96 is: 63,549.75
Step by Step Solution
- Step 1: Write the proportion equation
83,777.80 : 115,609.80 = 46,051.96 : x - Step 2: Convert to fraction form
83,777.80/115,609.80 = 46,051.96/x - Step 3: Cross multiply
83,777.80x = 115,609.80 × 46,051.96 - Step 4: Simplify right side
83,777.80x = 5,324,057,885.21 - Step 5: Solve for x
x = 5,324,057,885.21/83,777.80 - Step 6: Final answer
x = 63,549.75
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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.