Finding the Fourth Proportional to 76,895.80, 115,344.41 and 26,977.05
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Solution
The fourth proportional to 76,895.80, 115,344.41 and 26,977.05 is: 40,465.82
Step by Step Solution
- Step 1: Write the proportion equation
76,895.80 : 115,344.41 = 26,977.05 : x - Step 2: Convert to fraction form
76,895.80/115,344.41 = 26,977.05/x - Step 3: Cross multiply
76,895.80x = 115,344.41 × 26,977.05 - Step 4: Simplify right side
76,895.80x = 3,111,651,780.91 - Step 5: Solve for x
x = 3,111,651,780.91/76,895.80 - Step 6: Final answer
x = 40,465.82
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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.