Finding the Fourth Proportional to 73,943.68, 102,070.08 and 50,193.28
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Solution
The fourth proportional to 73,943.68, 102,070.08 and 50,193.28 is: 69,285.60
Step by Step Solution
- Step 1: Write the proportion equation
73,943.68 : 102,070.08 = 50,193.28 : x - Step 2: Convert to fraction form
73,943.68/102,070.08 = 50,193.28/x - Step 3: Cross multiply
73,943.68x = 102,070.08 × 50,193.28 - Step 4: Simplify right side
73,943.68x = 5,123,232,105.06 - Step 5: Solve for x
x = 5,123,232,105.06/73,943.68 - Step 6: Final answer
x = 69,285.60
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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.