Finding the Fourth Proportional to 96,675.18, 145,019.67 and 40,458.68
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Solution
The fourth proportional to 96,675.18, 145,019.67 and 40,458.68 is: 60,690.91
Step by Step Solution
- Step 1: Write the proportion equation
96,675.18 : 145,019.67 = 40,458.68 : x - Step 2: Convert to fraction form
96,675.18/145,019.67 = 40,458.68/x - Step 3: Cross multiply
96,675.18x = 145,019.67 × 40,458.68 - Step 4: Simplify right side
96,675.18x = 5,867,304,422.24 - Step 5: Solve for x
x = 5,867,304,422.24/96,675.18 - Step 6: Final answer
x = 60,690.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.