Finding the Fourth Proportional to 94,877.18, 142,310.64 and 48,128.84
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Solution
The fourth proportional to 94,877.18, 142,310.64 and 48,128.84 is: 72,190.66
Step by Step Solution
- Step 1: Write the proportion equation
94,877.18 : 142,310.64 = 48,128.84 : x - Step 2: Convert to fraction form
94,877.18/142,310.64 = 48,128.84/x - Step 3: Cross multiply
94,877.18x = 142,310.64 × 48,128.84 - Step 4: Simplify right side
94,877.18x = 6,849,246,022.86 - Step 5: Solve for x
x = 6,849,246,022.86/94,877.18 - Step 6: Final answer
x = 72,190.66
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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.