Finding the Fourth Proportional to 99,107.04, 136,767.81 and 53,785.03
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Solution
The fourth proportional to 99,107.04, 136,767.81 and 53,785.03 is: 74,223.39
Step by Step Solution
- Step 1: Write the proportion equation
99,107.04 : 136,767.81 = 53,785.03 : x - Step 2: Convert to fraction form
99,107.04/136,767.81 = 53,785.03/x - Step 3: Cross multiply
99,107.04x = 136,767.81 × 53,785.03 - Step 4: Simplify right side
99,107.04x = 7,356,060,494.96 - Step 5: Solve for x
x = 7,356,060,494.96/99,107.04 - Step 6: Final answer
x = 74,223.39
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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.