Finding the Fourth Proportional to 75,217.28, 103,798.08 and 41,682.56
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Solution
The fourth proportional to 75,217.28, 103,798.08 and 41,682.56 is: 57,520.95
Step by Step Solution
- Step 1: Write the proportion equation
75,217.28 : 103,798.08 = 41,682.56 : x - Step 2: Convert to fraction form
75,217.28/103,798.08 = 41,682.56/x - Step 3: Cross multiply
75,217.28x = 103,798.08 × 41,682.56 - Step 4: Simplify right side
75,217.28x = 4,326,569,697.48 - Step 5: Solve for x
x = 4,326,569,697.48/75,217.28 - Step 6: Final answer
x = 57,520.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.