Finding the Fourth Proportional to 94,017.21, 129,733.20 and 55,762.98
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Solution
The fourth proportional to 94,017.21, 129,733.20 and 55,762.98 is: 76,946.66
Step by Step Solution
- Step 1: Write the proportion equation
94,017.21 : 129,733.20 = 55,762.98 : x - Step 2: Convert to fraction form
94,017.21/129,733.20 = 55,762.98/x - Step 3: Cross multiply
94,017.21x = 129,733.20 × 55,762.98 - Step 4: Simplify right side
94,017.21x = 7,234,309,836.94 - Step 5: Solve for x
x = 7,234,309,836.94/94,017.21 - Step 6: Final answer
x = 76,946.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.