Finding the Fourth Proportional to 79,752.49, 110,059.74 and 43,941.98
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Solution
The fourth proportional to 79,752.49, 110,059.74 and 43,941.98 is: 60,640.66
Step by Step Solution
- Step 1: Write the proportion equation
79,752.49 : 110,059.74 = 43,941.98 : x - Step 2: Convert to fraction form
79,752.49/110,059.74 = 43,941.98/x - Step 3: Cross multiply
79,752.49x = 110,059.74 × 43,941.98 - Step 4: Simplify right side
79,752.49x = 4,836,243,169.03 - Step 5: Solve for x
x = 4,836,243,169.03/79,752.49 - Step 6: Final answer
x = 60,640.66
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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.