Finding the Fourth Proportional to 70,737.06, 106,039.62 and 48,560.88
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Solution
The fourth proportional to 70,737.06, 106,039.62 and 48,560.88 is: 72,796.03
Step by Step Solution
- Step 1: Write the proportion equation
70,737.06 : 106,039.62 = 48,560.88 : x - Step 2: Convert to fraction form
70,737.06/106,039.62 = 48,560.88/x - Step 3: Cross multiply
70,737.06x = 106,039.62 × 48,560.88 - Step 4: Simplify right side
70,737.06x = 5,149,377,262.07 - Step 5: Solve for x
x = 5,149,377,262.07/70,737.06 - Step 6: Final answer
x = 72,796.03
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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.