Finding the Fourth Proportional to 109,051.54, 163,585.08 and 29,089.05
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Solution
The fourth proportional to 109,051.54, 163,585.08 and 29,089.05 is: 43,635.65
Step by Step Solution
- Step 1: Write the proportion equation
109,051.54 : 163,585.08 = 29,089.05 : x - Step 2: Convert to fraction form
109,051.54/163,585.08 = 29,089.05/x - Step 3: Cross multiply
109,051.54x = 163,585.08 × 29,089.05 - Step 4: Simplify right side
109,051.54x = 4,758,534,571.37 - Step 5: Solve for x
x = 4,758,534,571.37/109,051.54 - Step 6: Final answer
x = 43,635.65
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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.