Finding the Fourth Proportional to 76,387.80, 114,581.70 and 32,002.68
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Solution
The fourth proportional to 76,387.80, 114,581.70 and 32,002.68 is: 48,004.02
Step by Step Solution
- Step 1: Write the proportion equation
76,387.80 : 114,581.70 = 32,002.68 : x - Step 2: Convert to fraction form
76,387.80/114,581.70 = 32,002.68/x - Step 3: Cross multiply
76,387.80x = 114,581.70 × 32,002.68 - Step 4: Simplify right side
76,387.80x = 3,666,921,478.96 - Step 5: Solve for x
x = 3,666,921,478.96/76,387.80 - Step 6: Final answer
x = 48,004.02
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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.