Finding the Fourth Proportional to 77,602.41, 116,366.76 and 35,469.99
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Solution
The fourth proportional to 77,602.41, 116,366.76 and 35,469.99 is: 53,188.14
Step by Step Solution
- Step 1: Write the proportion equation
77,602.41 : 116,366.76 = 35,469.99 : x - Step 2: Convert to fraction form
77,602.41/116,366.76 = 35,469.99/x - Step 3: Cross multiply
77,602.41x = 116,366.76 × 35,469.99 - Step 4: Simplify right side
77,602.41x = 4,127,527,813.53 - Step 5: Solve for x
x = 4,127,527,813.53/77,602.41 - Step 6: Final answer
x = 53,188.14
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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.