Finding the Fourth Proportional to 76,917.68, 115,336.54 and 34,777.62
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Solution
The fourth proportional to 76,917.68, 115,336.54 and 34,777.62 is: 52,148.35
Step by Step Solution
- Step 1: Write the proportion equation
76,917.68 : 115,336.54 = 34,777.62 : x - Step 2: Convert to fraction form
76,917.68/115,336.54 = 34,777.62/x - Step 3: Cross multiply
76,917.68x = 115,336.54 × 34,777.62 - Step 4: Simplify right side
76,917.68x = 4,011,130,360.23 - Step 5: Solve for x
x = 4,011,130,360.23/76,917.68 - Step 6: Final answer
x = 52,148.35
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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.