Finding the Fourth Proportional to 104,752.80, 157,130.68 and 29,872.96
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Solution
The fourth proportional to 104,752.80, 157,130.68 and 29,872.96 is: 44,809.86
Step by Step Solution
- Step 1: Write the proportion equation
104,752.80 : 157,130.68 = 29,872.96 : x - Step 2: Convert to fraction form
104,752.80/157,130.68 = 29,872.96/x - Step 3: Cross multiply
104,752.80x = 157,130.68 × 29,872.96 - Step 4: Simplify right side
104,752.80x = 4,693,958,518.41 - Step 5: Solve for x
x = 4,693,958,518.41/104,752.80 - Step 6: Final answer
x = 44,809.86
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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.