Finding the Fourth Proportional to 86,601.87, 129,911.09 and 24,272.19
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Solution
The fourth proportional to 86,601.87, 129,911.09 and 24,272.19 is: 36,410.61
Step by Step Solution
- Step 1: Write the proportion equation
86,601.87 : 129,911.09 = 24,272.19 : x - Step 2: Convert to fraction form
86,601.87/129,911.09 = 24,272.19/x - Step 3: Cross multiply
86,601.87x = 129,911.09 × 24,272.19 - Step 4: Simplify right side
86,601.87x = 3,153,226,538.23 - Step 5: Solve for x
x = 3,153,226,538.23/86,601.87 - Step 6: Final answer
x = 36,410.61
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1.5x scale
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.