Finding the Fourth Proportional to 71,750.09, 107,586.05 and 46,446.20
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Solution
The fourth proportional to 71,750.09, 107,586.05 and 46,446.20 is: 69,643.99
Step by Step Solution
- Step 1: Write the proportion equation
71,750.09 : 107,586.05 = 46,446.20 : x - Step 2: Convert to fraction form
71,750.09/107,586.05 = 46,446.20/x - Step 3: Cross multiply
71,750.09x = 107,586.05 × 46,446.20 - Step 4: Simplify right side
71,750.09x = 4,996,962,425.35 - Step 5: Solve for x
x = 4,996,962,425.35/71,750.09 - Step 6: Final answer
x = 69,643.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.