Finding the Fourth Proportional to 80,538.84, 120,850.92 and 58,533.84
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Solution
The fourth proportional to 80,538.84, 120,850.92 and 58,533.84 is: 87,831.76
Step by Step Solution
- Step 1: Write the proportion equation
80,538.84 : 120,850.92 = 58,533.84 : x - Step 2: Convert to fraction form
80,538.84/120,850.92 = 58,533.84/x - Step 3: Cross multiply
80,538.84x = 120,850.92 × 58,533.84 - Step 4: Simplify right side
80,538.84x = 7,073,868,415.13 - Step 5: Solve for x
x = 7,073,868,415.13/80,538.84 - Step 6: Final answer
x = 87,831.76
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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.