Finding the Fourth Proportional to 79,534.18, 109,759.26 and 43,725.09
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Solution
The fourth proportional to 79,534.18, 109,759.26 and 43,725.09 is: 60,341.77
Step by Step Solution
- Step 1: Write the proportion equation
79,534.18 : 109,759.26 = 43,725.09 : x - Step 2: Convert to fraction form
79,534.18/109,759.26 = 43,725.09/x - Step 3: Cross multiply
79,534.18x = 109,759.26 × 43,725.09 - Step 4: Simplify right side
79,534.18x = 4,799,233,521.83 - Step 5: Solve for x
x = 4,799,233,521.83/79,534.18 - Step 6: Final answer
x = 60,341.77
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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.