Finding the Fourth Proportional to 79,941.70, 110,319.93 and 44,131.06
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Solution
The fourth proportional to 79,941.70, 110,319.93 and 44,131.06 is: 60,901.07
Step by Step Solution
- Step 1: Write the proportion equation
79,941.70 : 110,319.93 = 44,131.06 : x - Step 2: Convert to fraction form
79,941.70/110,319.93 = 44,131.06/x - Step 3: Cross multiply
79,941.70x = 110,319.93 × 44,131.06 - Step 4: Simplify right side
79,941.70x = 4,868,535,450.03 - Step 5: Solve for x
x = 4,868,535,450.03/79,941.70 - Step 6: Final answer
x = 60,901.07
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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.