Finding the Fourth Proportional to 99,223.40, 136,927.69 and 53,901.02
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Solution
The fourth proportional to 99,223.40, 136,927.69 and 53,901.02 is: 74,383.08
Step by Step Solution
- Step 1: Write the proportion equation
99,223.40 : 136,927.69 = 53,901.02 : x - Step 2: Convert to fraction form
99,223.40/136,927.69 = 53,901.02/x - Step 3: Cross multiply
99,223.40x = 136,927.69 × 53,901.02 - Step 4: Simplify right side
99,223.40x = 7,380,542,364.81 - Step 5: Solve for x
x = 7,380,542,364.81/99,223.40 - Step 6: Final answer
x = 74,383.08
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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.