Finding the Fourth Proportional to 92,709.19, 127,937.77 and 50,266.99
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Solution
The fourth proportional to 92,709.19, 127,937.77 and 50,266.99 is: 69,367.95
Step by Step Solution
- Step 1: Write the proportion equation
92,709.19 : 127,937.77 = 50,266.99 : x - Step 2: Convert to fraction form
92,709.19/127,937.77 = 50,266.99/x - Step 3: Cross multiply
92,709.19x = 127,937.77 × 50,266.99 - Step 4: Simplify right side
92,709.19x = 6,431,046,605.21 - Step 5: Solve for x
x = 6,431,046,605.21/92,709.19 - Step 6: Final answer
x = 69,367.95
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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.