Finding the Fourth Proportional to 76,696.11, 115,052.01 and 29,351.02
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Solution
The fourth proportional to 76,696.11, 115,052.01 and 29,351.02 is: 44,029.53
Step by Step Solution
- Step 1: Write the proportion equation
76,696.11 : 115,052.01 = 29,351.02 : x - Step 2: Convert to fraction form
76,696.11/115,052.01 = 29,351.02/x - Step 3: Cross multiply
76,696.11x = 115,052.01 × 29,351.02 - Step 4: Simplify right side
76,696.11x = 3,376,893,525.17 - Step 5: Solve for x
x = 3,376,893,525.17/76,696.11 - Step 6: Final answer
x = 44,029.53
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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.