Finding the Fourth Proportional to 76,754.41, 115,032.24 and 53,024.09
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Solution
The fourth proportional to 76,754.41, 115,032.24 and 53,024.09 is: 79,467.48
Step by Step Solution
- Step 1: Write the proportion equation
76,754.41 : 115,032.24 = 53,024.09 : x - Step 2: Convert to fraction form
76,754.41/115,032.24 = 53,024.09/x - Step 3: Cross multiply
76,754.41x = 115,032.24 × 53,024.09 - Step 4: Simplify right side
76,754.41x = 6,099,479,271.50 - Step 5: Solve for x
x = 6,099,479,271.50/76,754.41 - Step 6: Final answer
x = 79,467.48
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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.