Finding the Fourth Proportional to 80,343.28, 110,873.64 and 44,533.36
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Solution
The fourth proportional to 80,343.28, 110,873.64 and 44,533.36 is: 61,455.99
Step by Step Solution
- Step 1: Write the proportion equation
80,343.28 : 110,873.64 = 44,533.36 : x - Step 2: Convert to fraction form
80,343.28/110,873.64 = 44,533.36/x - Step 3: Cross multiply
80,343.28x = 110,873.64 × 44,533.36 - Step 4: Simplify right side
80,343.28x = 4,937,575,724.63 - Step 5: Solve for x
x = 4,937,575,724.63/80,343.28 - Step 6: Final answer
x = 61,455.99
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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.