Finding the Fourth Proportional to 89,089.53, 122,943.59 and 48,804.75
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Solution
The fourth proportional to 89,089.53, 122,943.59 and 48,804.75 is: 67,350.58
Step by Step Solution
- Step 1: Write the proportion equation
89,089.53 : 122,943.59 = 48,804.75 : x - Step 2: Convert to fraction form
89,089.53/122,943.59 = 48,804.75/x - Step 3: Cross multiply
89,089.53x = 122,943.59 × 48,804.75 - Step 4: Simplify right side
89,089.53x = 6,000,231,174.05 - Step 5: Solve for x
x = 6,000,231,174.05/89,089.53 - Step 6: Final answer
x = 67,350.58
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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.