Finding the Fourth Proportional to 75,106.44, 103,646.36 and 43,274.66
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Solution
The fourth proportional to 75,106.44, 103,646.36 and 43,274.66 is: 59,718.73
Step by Step Solution
- Step 1: Write the proportion equation
75,106.44 : 103,646.36 = 43,274.66 : x - Step 2: Convert to fraction form
75,106.44/103,646.36 = 43,274.66/x - Step 3: Cross multiply
75,106.44x = 103,646.36 × 43,274.66 - Step 4: Simplify right side
75,106.44x = 4,485,260,989.24 - Step 5: Solve for x
x = 4,485,260,989.24/75,106.44 - Step 6: Final answer
x = 59,718.73
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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.