Finding the Fourth Proportional to 89,670.83, 134,474.80 and 26,474.09
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Solution
The fourth proportional to 89,670.83, 134,474.80 and 26,474.09 is: 39,701.85
Step by Step Solution
- Step 1: Write the proportion equation
89,670.83 : 134,474.80 = 26,474.09 : x - Step 2: Convert to fraction form
89,670.83/134,474.80 = 26,474.09/x - Step 3: Cross multiply
89,670.83x = 134,474.80 × 26,474.09 - Step 4: Simplify right side
89,670.83x = 3,560,097,957.93 - Step 5: Solve for x
x = 3,560,097,957.93/89,670.83 - Step 6: Final answer
x = 39,701.85
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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.