Finding the Fourth Proportional to 79,830.88, 119,760.42 and 26,526.04
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Solution
The fourth proportional to 79,830.88, 119,760.42 and 26,526.04 is: 39,793.75
Step by Step Solution
- Step 1: Write the proportion equation
79,830.88 : 119,760.42 = 26,526.04 : x - Step 2: Convert to fraction form
79,830.88/119,760.42 = 26,526.04/x - Step 3: Cross multiply
79,830.88x = 119,760.42 × 26,526.04 - Step 4: Simplify right side
79,830.88x = 3,176,769,691.34 - Step 5: Solve for x
x = 3,176,769,691.34/79,830.88 - Step 6: Final answer
x = 39,793.75
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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.