Finding the Fourth Proportional to 79,102.44, 109,192.86 and 51,888.88
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Solution
The fourth proportional to 79,102.44, 109,192.86 and 51,888.88 is: 71,627.31
Step by Step Solution
- Step 1: Write the proportion equation
79,102.44 : 109,192.86 = 51,888.88 : x - Step 2: Convert to fraction form
79,102.44/109,192.86 = 51,888.88/x - Step 3: Cross multiply
79,102.44x = 109,192.86 × 51,888.88 - Step 4: Simplify right side
79,102.44x = 5,665,895,209.40 - Step 5: Solve for x
x = 5,665,895,209.40/79,102.44 - Step 6: Final answer
x = 71,627.31
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1.5x scale
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.