Finding the Fourth Proportional to 75,425.67, 104,136.12 and 46,775.79
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Solution
The fourth proportional to 75,425.67, 104,136.12 and 46,775.79 is: 64,580.79
Step by Step Solution
- Step 1: Write the proportion equation
75,425.67 : 104,136.12 = 46,775.79 : x - Step 2: Convert to fraction form
75,425.67/104,136.12 = 46,775.79/x - Step 3: Cross multiply
75,425.67x = 104,136.12 × 46,775.79 - Step 4: Simplify right side
75,425.67x = 4,871,049,280.53 - Step 5: Solve for x
x = 4,871,049,280.53/75,425.67 - Step 6: Final answer
x = 64,580.79
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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.