Finding the Fourth Proportional to 79,795.79, 110,087.28 and 45,791.99
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Solution
The fourth proportional to 79,795.79, 110,087.28 and 45,791.99 is: 63,175.20
Step by Step Solution
- Step 1: Write the proportion equation
79,795.79 : 110,087.28 = 45,791.99 : x - Step 2: Convert to fraction form
79,795.79/110,087.28 = 45,791.99/x - Step 3: Cross multiply
79,795.79x = 110,087.28 × 45,791.99 - Step 4: Simplify right side
79,795.79x = 5,041,115,074.45 - Step 5: Solve for x
x = 5,041,115,074.45/79,795.79 - Step 6: Final answer
x = 63,175.20
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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.