Finding the Fourth Proportional to 109,448.79, 164,164.41 and 48,677.88
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Solution
The fourth proportional to 109,448.79, 164,164.41 and 48,677.88 is: 73,012.92
Step by Step Solution
- Step 1: Write the proportion equation
109,448.79 : 164,164.41 = 48,677.88 : x - Step 2: Convert to fraction form
109,448.79/164,164.41 = 48,677.88/x - Step 3: Cross multiply
109,448.79x = 164,164.41 × 48,677.88 - Step 4: Simplify right side
109,448.79x = 7,991,175,450.25 - Step 5: Solve for x
x = 7,991,175,450.25/109,448.79 - Step 6: Final answer
x = 73,012.92
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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.