Finding the Fourth Proportional to 76,688.98, 115,027.97 and 24,113.50
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Solution
The fourth proportional to 76,688.98, 115,027.97 and 24,113.50 is: 36,168.52
Step by Step Solution
- Step 1: Write the proportion equation
76,688.98 : 115,027.97 = 24,113.50 : x - Step 2: Convert to fraction form
76,688.98/115,027.97 = 24,113.50/x - Step 3: Cross multiply
76,688.98x = 115,027.97 × 24,113.50 - Step 4: Simplify right side
76,688.98x = 2,773,726,546.46 - Step 5: Solve for x
x = 2,773,726,546.46/76,688.98 - Step 6: Final answer
x = 36,168.52
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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.