Finding the Fourth Proportional to 91,043.84, 125,635.76 and 50,214.68
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Solution
The fourth proportional to 91,043.84, 125,635.76 and 50,214.68 is: 69,293.64
Step by Step Solution
- Step 1: Write the proportion equation
91,043.84 : 125,635.76 = 50,214.68 : x - Step 2: Convert to fraction form
91,043.84/125,635.76 = 50,214.68/x - Step 3: Cross multiply
91,043.84x = 125,635.76 × 50,214.68 - Step 4: Simplify right side
91,043.84x = 6,308,759,484.96 - Step 5: Solve for x
x = 6,308,759,484.96/91,043.84 - Step 6: Final answer
x = 69,293.64
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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.