Finding the Fourth Proportional to 125,985.51, 173,860.01 and 69,396.88
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Solution
The fourth proportional to 125,985.51, 173,860.01 and 69,396.88 is: 95,767.70
Step by Step Solution
- Step 1: Write the proportion equation
125,985.51 : 173,860.01 = 69,396.88 : x - Step 2: Convert to fraction form
125,985.51/173,860.01 = 69,396.88/x - Step 3: Cross multiply
125,985.51x = 173,860.01 × 69,396.88 - Step 4: Simplify right side
125,985.51x = 12,065,342,250.77 - Step 5: Solve for x
x = 12,065,342,250.77/125,985.51 - Step 6: Final answer
x = 95,767.70
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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.