Finding the Fourth Proportional to 99,934.68, 137,846.44 and 76,008.92
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Solution
The fourth proportional to 99,934.68, 137,846.44 and 76,008.92 is: 104,844.07
Step by Step Solution
- Step 1: Write the proportion equation
99,934.68 : 137,846.44 = 76,008.92 : x - Step 2: Convert to fraction form
99,934.68/137,846.44 = 76,008.92/x - Step 3: Cross multiply
99,934.68x = 137,846.44 × 76,008.92 - Step 4: Simplify right side
99,934.68x = 10,477,559,030.24 - Step 5: Solve for x
x = 10,477,559,030.24/99,934.68 - Step 6: Final answer
x = 104,844.07
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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.