Finding the Fourth Proportional to 94,655.41, 141,984.33 and 31,475.53
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Solution
The fourth proportional to 94,655.41, 141,984.33 and 31,475.53 is: 47,213.70
Step by Step Solution
- Step 1: Write the proportion equation
94,655.41 : 141,984.33 = 31,475.53 : x - Step 2: Convert to fraction form
94,655.41/141,984.33 = 31,475.53/x - Step 3: Cross multiply
94,655.41x = 141,984.33 × 31,475.53 - Step 4: Simplify right side
94,655.41x = 4,469,032,038.44 - Step 5: Solve for x
x = 4,469,032,038.44/94,655.41 - Step 6: Final answer
x = 47,213.70
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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.