Finding the Fourth Proportional to 79,253.96, 119,029.04 and 69,769.68
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Solution
The fourth proportional to 79,253.96, 119,029.04 and 69,769.68 is: 104,784.90
Step by Step Solution
- Step 1: Write the proportion equation
79,253.96 : 119,029.04 = 69,769.68 : x - Step 2: Convert to fraction form
79,253.96/119,029.04 = 69,769.68/x - Step 3: Cross multiply
79,253.96x = 119,029.04 × 69,769.68 - Step 4: Simplify right side
79,253.96x = 8,304,618,031.51 - Step 5: Solve for x
x = 8,304,618,031.51/79,253.96 - Step 6: Final answer
x = 104,784.90
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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.