Finding the Fourth Proportional to 94,214.32, 129,983.58 and 58,391.26
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Solution
The fourth proportional to 94,214.32, 129,983.58 and 58,391.26 is: 80,559.99
Step by Step Solution
- Step 1: Write the proportion equation
94,214.32 : 129,983.58 = 58,391.26 : x - Step 2: Convert to fraction form
94,214.32/129,983.58 = 58,391.26/x - Step 3: Cross multiply
94,214.32x = 129,983.58 × 58,391.26 - Step 4: Simplify right side
94,214.32x = 7,589,905,015.51 - Step 5: Solve for x
x = 7,589,905,015.51/94,214.32 - Step 6: Final answer
x = 80,559.99
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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.