Finding the Fourth Proportional to 77,230.68, 106,594.97 and 47,025.99
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Solution
The fourth proportional to 77,230.68, 106,594.97 and 47,025.99 is: 64,905.99
Step by Step Solution
- Step 1: Write the proportion equation
77,230.68 : 106,594.97 = 47,025.99 : x - Step 2: Convert to fraction form
77,230.68/106,594.97 = 47,025.99/x - Step 3: Cross multiply
77,230.68x = 106,594.97 × 47,025.99 - Step 4: Simplify right side
77,230.68x = 5,012,733,758.14 - Step 5: Solve for x
x = 5,012,733,758.14/77,230.68 - Step 6: Final answer
x = 64,905.99
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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.