Finding the Fourth Proportional to 71,523.36, 107,264.16 and 27,118.08
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Solution
The fourth proportional to 71,523.36, 107,264.16 and 27,118.08 is: 40,669.20
Step by Step Solution
- Step 1: Write the proportion equation
71,523.36 : 107,264.16 = 27,118.08 : x - Step 2: Convert to fraction form
71,523.36/107,264.16 = 27,118.08/x - Step 3: Cross multiply
71,523.36x = 107,264.16 × 27,118.08 - Step 4: Simplify right side
71,523.36x = 2,908,798,072.01 - Step 5: Solve for x
x = 2,908,798,072.01/71,523.36 - Step 6: Final answer
x = 40,669.20
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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.