Finding the Fourth Proportional to 71,551.84, 107,327.76 and 27,178.48
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Solution
The fourth proportional to 71,551.84, 107,327.76 and 27,178.48 is: 40,767.72
Step by Step Solution
- Step 1: Write the proportion equation
71,551.84 : 107,327.76 = 27,178.48 : x - Step 2: Convert to fraction form
71,551.84/107,327.76 = 27,178.48/x - Step 3: Cross multiply
71,551.84x = 107,327.76 × 27,178.48 - Step 4: Simplify right side
71,551.84x = 2,917,005,378.60 - Step 5: Solve for x
x = 2,917,005,378.60/71,551.84 - Step 6: Final answer
x = 40,767.72
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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.