Finding the Fourth Proportional to 76,946.96, 115,408.86 and 24,349.61
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Solution
The fourth proportional to 76,946.96, 115,408.86 and 24,349.61 is: 36,520.75
Step by Step Solution
- Step 1: Write the proportion equation
76,946.96 : 115,408.86 = 24,349.61 : x - Step 2: Convert to fraction form
76,946.96/115,408.86 = 24,349.61/x - Step 3: Cross multiply
76,946.96x = 115,408.86 × 24,349.61 - Step 4: Simplify right side
76,946.96x = 2,810,160,731.54 - Step 5: Solve for x
x = 2,810,160,731.54/76,946.96 - Step 6: Final answer
x = 36,520.75
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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.