Finding the Fourth Proportional to 93,092.72, 139,589.40 and 48,611.84
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Solution
The fourth proportional to 93,092.72, 139,589.40 and 48,611.84 is: 72,891.82
Step by Step Solution
- Step 1: Write the proportion equation
93,092.72 : 139,589.40 = 48,611.84 : x - Step 2: Convert to fraction form
93,092.72/139,589.40 = 48,611.84/x - Step 3: Cross multiply
93,092.72x = 139,589.40 × 48,611.84 - Step 4: Simplify right side
93,092.72x = 6,785,697,578.50 - Step 5: Solve for x
x = 6,785,697,578.50/93,092.72 - Step 6: Final answer
x = 72,891.82
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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.