Finding the Fourth Proportional to 118,051.97, 162,911.93 and 64,337.09
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Solution
The fourth proportional to 118,051.97, 162,911.93 and 64,337.09 is: 88,785.29
Step by Step Solution
- Step 1: Write the proportion equation
118,051.97 : 162,911.93 = 64,337.09 : x - Step 2: Convert to fraction form
118,051.97/162,911.93 = 64,337.09/x - Step 3: Cross multiply
118,051.97x = 162,911.93 × 64,337.09 - Step 4: Simplify right side
118,051.97x = 10,481,278,366.24 - Step 5: Solve for x
x = 10,481,278,366.24/118,051.97 - Step 6: Final answer
x = 88,785.29
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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.