Finding the Fourth Proportional to 79,802.66, 110,128.44 and 43,993.95
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Solution
The fourth proportional to 79,802.66, 110,128.44 and 43,993.95 is: 60,712.08
Step by Step Solution
- Step 1: Write the proportion equation
79,802.66 : 110,128.44 = 43,993.95 : x - Step 2: Convert to fraction form
79,802.66/110,128.44 = 43,993.95/x - Step 3: Cross multiply
79,802.66x = 110,128.44 × 43,993.95 - Step 4: Simplify right side
79,802.66x = 4,844,985,082.94 - Step 5: Solve for x
x = 4,844,985,082.94/79,802.66 - Step 6: Final answer
x = 60,712.08
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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.