Finding the Fourth Proportional to 76,851.15, 115,267.01 and 24,265.95
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Solution
The fourth proportional to 76,851.15, 115,267.01 and 24,265.95 is: 36,395.86
Step by Step Solution
- Step 1: Write the proportion equation
76,851.15 : 115,267.01 = 24,265.95 : x - Step 2: Convert to fraction form
76,851.15/115,267.01 = 24,265.95/x - Step 3: Cross multiply
76,851.15x = 115,267.01 × 24,265.95 - Step 4: Simplify right side
76,851.15x = 2,797,063,379.98 - Step 5: Solve for x
x = 2,797,063,379.98/76,851.15 - Step 6: Final answer
x = 36,395.86
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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.