Finding the Fourth Proportional to 76,787.08, 105,929.94 and 44,936.26
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Solution
The fourth proportional to 76,787.08, 105,929.94 and 44,936.26 is: 61,990.84
Step by Step Solution
- Step 1: Write the proportion equation
76,787.08 : 105,929.94 = 44,936.26 : x - Step 2: Convert to fraction form
76,787.08/105,929.94 = 44,936.26/x - Step 3: Cross multiply
76,787.08x = 105,929.94 × 44,936.26 - Step 4: Simplify right side
76,787.08x = 4,760,095,325.62 - Step 5: Solve for x
x = 4,760,095,325.62/76,787.08 - Step 6: Final answer
x = 61,990.84
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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.