Finding the Fourth Proportional to 125,987.67, 173,862.99 and 69,399.04
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Solution
The fourth proportional to 125,987.67, 173,862.99 and 69,399.04 is: 95,770.68
Step by Step Solution
- Step 1: Write the proportion equation
125,987.67 : 173,862.99 = 69,399.04 : x - Step 2: Convert to fraction form
125,987.67/173,862.99 = 69,399.04/x - Step 3: Cross multiply
125,987.67x = 173,862.99 × 69,399.04 - Step 4: Simplify right side
125,987.67x = 12,065,924,597.53 - Step 5: Solve for x
x = 12,065,924,597.53/125,987.67 - Step 6: Final answer
x = 95,770.68
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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.