Finding the Fourth Proportional to 80,645.78, 111,294.02 and 44,349.99
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Solution
The fourth proportional to 80,645.78, 111,294.02 and 44,349.99 is: 61,204.54
Step by Step Solution
- Step 1: Write the proportion equation
80,645.78 : 111,294.02 = 44,349.99 : x - Step 2: Convert to fraction form
80,645.78/111,294.02 = 44,349.99/x - Step 3: Cross multiply
80,645.78x = 111,294.02 × 44,349.99 - Step 4: Simplify right side
80,645.78x = 4,935,888,118.11 - Step 5: Solve for x
x = 4,935,888,118.11/80,645.78 - Step 6: Final answer
x = 61,204.54
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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.