Finding the Fourth Proportional to 75,099.08, 103,636.76 and 41,107.74
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Solution
The fourth proportional to 75,099.08, 103,636.76 and 41,107.74 is: 56,728.70
Step by Step Solution
- Step 1: Write the proportion equation
75,099.08 : 103,636.76 = 41,107.74 : x - Step 2: Convert to fraction form
75,099.08/103,636.76 = 41,107.74/x - Step 3: Cross multiply
75,099.08x = 103,636.76 × 41,107.74 - Step 4: Simplify right side
75,099.08x = 4,260,272,984.52 - Step 5: Solve for x
x = 4,260,272,984.52/75,099.08 - Step 6: Final answer
x = 56,728.70
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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.