Finding the Fourth Proportional to 79,062.98, 109,109.49 and 43,252.99
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Solution
The fourth proportional to 79,062.98, 109,109.49 and 43,252.99 is: 59,690.54
Step by Step Solution
- Step 1: Write the proportion equation
79,062.98 : 109,109.49 = 43,252.99 : x - Step 2: Convert to fraction form
79,062.98/109,109.49 = 43,252.99/x - Step 3: Cross multiply
79,062.98x = 109,109.49 × 43,252.99 - Step 4: Simplify right side
79,062.98x = 4,719,311,679.88 - Step 5: Solve for x
x = 4,719,311,679.88/79,062.98 - Step 6: Final answer
x = 59,690.54
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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.