Finding the Fourth Proportional to 99,841.99, 149,719.23 and 37,468.75
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Solution
The fourth proportional to 99,841.99, 149,719.23 and 37,468.75 is: 56,186.70
Step by Step Solution
- Step 1: Write the proportion equation
99,841.99 : 149,719.23 = 37,468.75 : x - Step 2: Convert to fraction form
99,841.99/149,719.23 = 37,468.75/x - Step 3: Cross multiply
99,841.99x = 149,719.23 × 37,468.75 - Step 4: Simplify right side
99,841.99x = 5,609,792,399.06 - Step 5: Solve for x
x = 5,609,792,399.06/99,841.99 - Step 6: Final answer
x = 56,186.70
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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.