Finding the Fourth Proportional to 104,618.16, 144,379.68 and 58,682.08
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Solution
The fourth proportional to 104,618.16, 144,379.68 and 58,682.08 is: 80,984.98
Step by Step Solution
- Step 1: Write the proportion equation
104,618.16 : 144,379.68 = 58,682.08 : x - Step 2: Convert to fraction form
104,618.16/144,379.68 = 58,682.08/x - Step 3: Cross multiply
104,618.16x = 144,379.68 × 58,682.08 - Step 4: Simplify right side
104,618.16x = 8,472,499,932.13 - Step 5: Solve for x
x = 8,472,499,932.13/104,618.16 - Step 6: Final answer
x = 80,984.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.