Finding the Fourth Proportional to 79,797.06, 110,114.88 and 43,985.10
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Solution
The fourth proportional to 79,797.06, 110,114.88 and 43,985.10 is: 60,696.65
Step by Step Solution
- Step 1: Write the proportion equation
79,797.06 : 110,114.88 = 43,985.10 : x - Step 2: Convert to fraction form
79,797.06/110,114.88 = 43,985.10/x - Step 3: Cross multiply
79,797.06x = 110,114.88 × 43,985.10 - Step 4: Simplify right side
79,797.06x = 4,843,414,008.29 - Step 5: Solve for x
x = 4,843,414,008.29/79,797.06 - Step 6: Final answer
x = 60,696.65
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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.