Finding the Fourth Proportional to 75,146.08, 103,703.76 and 41,612.08
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Solution
The fourth proportional to 75,146.08, 103,703.76 and 41,612.08 is: 57,425.87
Step by Step Solution
- Step 1: Write the proportion equation
75,146.08 : 103,703.76 = 41,612.08 : x - Step 2: Convert to fraction form
75,146.08/103,703.76 = 41,612.08/x - Step 3: Cross multiply
75,146.08x = 103,703.76 × 41,612.08 - Step 4: Simplify right side
75,146.08x = 4,315,329,157.42 - Step 5: Solve for x
x = 4,315,329,157.42/75,146.08 - Step 6: Final answer
x = 57,425.87
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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.