Finding the Fourth Proportional to 71,361.80, 107,010.30 and 26,973.80
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Solution
The fourth proportional to 71,361.80, 107,010.30 and 26,973.80 is: 40,448.45
Step by Step Solution
- Step 1: Write the proportion equation
71,361.80 : 107,010.30 = 26,973.80 : x - Step 2: Convert to fraction form
71,361.80/107,010.30 = 26,973.80/x - Step 3: Cross multiply
71,361.80x = 107,010.30 × 26,973.80 - Step 4: Simplify right side
71,361.80x = 2,886,474,430.14 - Step 5: Solve for x
x = 2,886,474,430.14/71,361.80 - Step 6: Final answer
x = 40,448.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.