Finding the Fourth Proportional to 79,920.09, 110,285.01 and 44,109.18
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Solution
The fourth proportional to 79,920.09, 110,285.01 and 44,109.18 is: 60,868.07
Step by Step Solution
- Step 1: Write the proportion equation
79,920.09 : 110,285.01 = 44,109.18 : x - Step 2: Convert to fraction form
79,920.09/110,285.01 = 44,109.18/x - Step 3: Cross multiply
79,920.09x = 110,285.01 × 44,109.18 - Step 4: Simplify right side
79,920.09x = 4,864,581,357.39 - Step 5: Solve for x
x = 4,864,581,357.39/79,920.09 - Step 6: Final answer
x = 60,868.07
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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.