Finding the Fourth Proportional to 76,988.15, 115,482.11 and 24,393.53
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Solution
The fourth proportional to 76,988.15, 115,482.11 and 24,393.53 is: 36,590.26
Step by Step Solution
- Step 1: Write the proportion equation
76,988.15 : 115,482.11 = 24,393.53 : x - Step 2: Convert to fraction form
76,988.15/115,482.11 = 24,393.53/x - Step 3: Cross multiply
76,988.15x = 115,482.11 × 24,393.53 - Step 4: Simplify right side
76,988.15x = 2,817,016,481.49 - Step 5: Solve for x
x = 2,817,016,481.49/76,988.15 - Step 6: Final answer
x = 36,590.26
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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.