Finding the Fourth Proportional to 80,615.16, 111,243.78 and 44,802.99
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Solution
The fourth proportional to 80,615.16, 111,243.78 and 44,802.99 is: 61,825.27
Step by Step Solution
- Step 1: Write the proportion equation
80,615.16 : 111,243.78 = 44,802.99 : x - Step 2: Convert to fraction form
80,615.16/111,243.78 = 44,802.99/x - Step 3: Cross multiply
80,615.16x = 111,243.78 × 44,802.99 - Step 4: Simplify right side
80,615.16x = 4,984,053,962.90 - Step 5: Solve for x
x = 4,984,053,962.90/80,615.16 - Step 6: Final answer
x = 61,825.27
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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.