Finding the Fourth Proportional to 99,889.13, 149,855.58 and 37,559.63
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Solution
The fourth proportional to 99,889.13, 149,855.58 and 37,559.63 is: 56,347.67
Step by Step Solution
- Step 1: Write the proportion equation
99,889.13 : 149,855.58 = 37,559.63 : x - Step 2: Convert to fraction form
99,889.13/149,855.58 = 37,559.63/x - Step 3: Cross multiply
99,889.13x = 149,855.58 × 37,559.63 - Step 4: Simplify right side
99,889.13x = 5,628,520,138.24 - Step 5: Solve for x
x = 5,628,520,138.24/99,889.13 - Step 6: Final answer
x = 56,347.67
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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.