Finding the Fourth Proportional to 75,448.67, 104,125.37 and 48,646.98
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Solution
The fourth proportional to 75,448.67, 104,125.37 and 48,646.98 is: 67,136.83
Step by Step Solution
- Step 1: Write the proportion equation
75,448.67 : 104,125.37 = 48,646.98 : x - Step 2: Convert to fraction form
75,448.67/104,125.37 = 48,646.98/x - Step 3: Cross multiply
75,448.67x = 104,125.37 × 48,646.98 - Step 4: Simplify right side
75,448.67x = 5,065,384,548.65 - Step 5: Solve for x
x = 5,065,384,548.65/75,448.67 - Step 6: Final answer
x = 67,136.83
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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.