Finding the Fourth Proportional to 75,989.58, 113,951.19 and 29,209.50
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Solution
The fourth proportional to 75,989.58, 113,951.19 and 29,209.50 is: 43,801.50
Step by Step Solution
- Step 1: Write the proportion equation
75,989.58 : 113,951.19 = 29,209.50 : x - Step 2: Convert to fraction form
75,989.58/113,951.19 = 29,209.50/x - Step 3: Cross multiply
75,989.58x = 113,951.19 × 29,209.50 - Step 4: Simplify right side
75,989.58x = 3,328,457,284.31 - Step 5: Solve for x
x = 3,328,457,284.31/75,989.58 - Step 6: Final answer
x = 43,801.50
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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.