Finding the Fourth Proportional to 91,934.08, 126,869.04 and 51,647.84
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Solution
The fourth proportional to 91,934.08, 126,869.04 and 51,647.84 is: 71,274.02
Step by Step Solution
- Step 1: Write the proportion equation
91,934.08 : 126,869.04 = 51,647.84 : x - Step 2: Convert to fraction form
91,934.08/126,869.04 = 51,647.84/x - Step 3: Cross multiply
91,934.08x = 126,869.04 × 51,647.84 - Step 4: Simplify right side
91,934.08x = 6,552,511,878.87 - Step 5: Solve for x
x = 6,552,511,878.87/91,934.08 - Step 6: Final answer
x = 71,274.02
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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.