Finding the Fourth Proportional to 79,876.92, 119,798.36 and 23,701.80
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Solution
The fourth proportional to 79,876.92, 119,798.36 and 23,701.80 is: 35,547.65
Step by Step Solution
- Step 1: Write the proportion equation
79,876.92 : 119,798.36 = 23,701.80 : x - Step 2: Convert to fraction form
79,876.92/119,798.36 = 23,701.80/x - Step 3: Cross multiply
79,876.92x = 119,798.36 × 23,701.80 - Step 4: Simplify right side
79,876.92x = 2,839,436,769.05 - Step 5: Solve for x
x = 2,839,436,769.05/79,876.92 - Step 6: Final answer
x = 35,547.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.