Finding the Fourth Proportional to 74,659.75, 103,030.46 and 41,125.75
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Solution
The fourth proportional to 74,659.75, 103,030.46 and 41,125.75 is: 56,753.54
Step by Step Solution
- Step 1: Write the proportion equation
74,659.75 : 103,030.46 = 41,125.75 : x - Step 2: Convert to fraction form
74,659.75/103,030.46 = 41,125.75/x - Step 3: Cross multiply
74,659.75x = 103,030.46 × 41,125.75 - Step 4: Simplify right side
74,659.75x = 4,237,204,734.72 - Step 5: Solve for x
x = 4,237,204,734.72/74,659.75 - Step 6: Final answer
x = 56,753.54
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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.