Finding the Fourth Proportional to 76,796.64, 115,176.96 and 29,401.92
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Solution
The fourth proportional to 76,796.64, 115,176.96 and 29,401.92 is: 44,095.99
Step by Step Solution
- Step 1: Write the proportion equation
76,796.64 : 115,176.96 = 29,401.92 : x - Step 2: Convert to fraction form
76,796.64/115,176.96 = 29,401.92/x - Step 3: Cross multiply
76,796.64x = 115,176.96 × 29,401.92 - Step 4: Simplify right side
76,796.64x = 3,386,423,763.76 - Step 5: Solve for x
x = 3,386,423,763.76/76,796.64 - Step 6: Final answer
x = 44,095.99
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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.