Finding the Fourth Proportional to 79,936.75, 110,312.86 and 44,126.80
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Solution
The fourth proportional to 79,936.75, 110,312.86 and 44,126.80 is: 60,895.07
Step by Step Solution
- Step 1: Write the proportion equation
79,936.75 : 110,312.86 = 44,126.80 : x - Step 2: Convert to fraction form
79,936.75/110,312.86 = 44,126.80/x - Step 3: Cross multiply
79,936.75x = 110,312.86 × 44,126.80 - Step 4: Simplify right side
79,936.75x = 4,867,753,641.65 - Step 5: Solve for x
x = 4,867,753,641.65/79,936.75 - Step 6: Final answer
x = 60,895.07
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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.