Finding the Fourth Proportional to 104,965.11, 157,447.08 and 26,079.30
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Solution
The fourth proportional to 104,965.11, 157,447.08 and 26,079.30 is: 39,118.80
Step by Step Solution
- Step 1: Write the proportion equation
104,965.11 : 157,447.08 = 26,079.30 : x - Step 2: Convert to fraction form
104,965.11/157,447.08 = 26,079.30/x - Step 3: Cross multiply
104,965.11x = 157,447.08 × 26,079.30 - Step 4: Simplify right side
104,965.11x = 4,106,109,633.44 - Step 5: Solve for x
x = 4,106,109,633.44/104,965.11 - Step 6: Final answer
x = 39,118.80
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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.