Finding the Fourth Proportional to 67,625.80, 101,438.70 and 59,315.20
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Solution
The fourth proportional to 67,625.80, 101,438.70 and 59,315.20 is: 88,972.80
Step by Step Solution
- Step 1: Write the proportion equation
67,625.80 : 101,438.70 = 59,315.20 : x - Step 2: Convert to fraction form
67,625.80/101,438.70 = 59,315.20/x - Step 3: Cross multiply
67,625.80x = 101,438.70 × 59,315.20 - Step 4: Simplify right side
67,625.80x = 6,016,856,778.24 - Step 5: Solve for x
x = 6,016,856,778.24/67,625.80 - Step 6: Final answer
x = 88,972.80
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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.