Finding the Fourth Proportional to 75,866.94, 113,763.87 and 44,286.30
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Solution
The fourth proportional to 75,866.94, 113,763.87 and 44,286.30 is: 66,408.12
Step by Step Solution
- Step 1: Write the proportion equation
75,866.94 : 113,763.87 = 44,286.30 : x - Step 2: Convert to fraction form
75,866.94/113,763.87 = 44,286.30/x - Step 3: Cross multiply
75,866.94x = 113,763.87 × 44,286.30 - Step 4: Simplify right side
75,866.94x = 5,038,180,875.98 - Step 5: Solve for x
x = 5,038,180,875.98/75,866.94 - Step 6: Final answer
x = 66,408.12
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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.