Finding the Fourth Proportional to 79,946.71, 110,324.70 and 43,646.92
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Solution
The fourth proportional to 79,946.71, 110,324.70 and 43,646.92 is: 60,231.79
Step by Step Solution
- Step 1: Write the proportion equation
79,946.71 : 110,324.70 = 43,646.92 : x - Step 2: Convert to fraction form
79,946.71/110,324.70 = 43,646.92/x - Step 3: Cross multiply
79,946.71x = 110,324.70 × 43,646.92 - Step 4: Simplify right side
79,946.71x = 4,815,333,354.92 - Step 5: Solve for x
x = 4,815,333,354.92/79,946.71 - Step 6: Final answer
x = 60,231.79
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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.