Finding the Fourth Proportional to 76,920.52, 115,387.26 and 24,328.84
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Solution
The fourth proportional to 76,920.52, 115,387.26 and 24,328.84 is: 36,495.31
Step by Step Solution
- Step 1: Write the proportion equation
76,920.52 : 115,387.26 = 24,328.84 : x - Step 2: Convert to fraction form
76,920.52/115,387.26 = 24,328.84/x - Step 3: Cross multiply
76,920.52x = 115,387.26 × 24,328.84 - Step 4: Simplify right side
76,920.52x = 2,807,238,186.58 - Step 5: Solve for x
x = 2,807,238,186.58/76,920.52 - Step 6: Final answer
x = 36,495.31
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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.