Finding the Fourth Proportional to 75,082.34, 103,612.24 and 41,090.15
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Solution
The fourth proportional to 75,082.34, 103,612.24 and 41,090.15 is: 56,703.65
Step by Step Solution
- Step 1: Write the proportion equation
75,082.34 : 103,612.24 = 41,090.15 : x - Step 2: Convert to fraction form
75,082.34/103,612.24 = 41,090.15/x - Step 3: Cross multiply
75,082.34x = 103,612.24 × 41,090.15 - Step 4: Simplify right side
75,082.34x = 4,257,442,483.44 - Step 5: Solve for x
x = 4,257,442,483.44/75,082.34 - Step 6: Final answer
x = 56,703.65
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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.