Finding the Fourth Proportional to 97,682.52, 146,545.88 and 31,126.44
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Solution
The fourth proportional to 97,682.52, 146,545.88 and 31,126.44 is: 46,696.70
Step by Step Solution
- Step 1: Write the proportion equation
97,682.52 : 146,545.88 = 31,126.44 : x - Step 2: Convert to fraction form
97,682.52/146,545.88 = 31,126.44/x - Step 3: Cross multiply
97,682.52x = 146,545.88 × 31,126.44 - Step 4: Simplify right side
97,682.52x = 4,561,451,541.07 - Step 5: Solve for x
x = 4,561,451,541.07/97,682.52 - Step 6: Final answer
x = 46,696.70
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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.