Finding the Fourth Proportional to 83,891.34, 115,766.62 and 48,056.44
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Solution
The fourth proportional to 83,891.34, 115,766.62 and 48,056.44 is: 66,315.92
Step by Step Solution
- Step 1: Write the proportion equation
83,891.34 : 115,766.62 = 48,056.44 : x - Step 2: Convert to fraction form
83,891.34/115,766.62 = 48,056.44/x - Step 3: Cross multiply
83,891.34x = 115,766.62 × 48,056.44 - Step 4: Simplify right side
83,891.34x = 5,563,331,628.03 - Step 5: Solve for x
x = 5,563,331,628.03/83,891.34 - Step 6: Final answer
x = 66,315.92
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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.