Finding the Fourth Proportional to 83,437.94, 124,938.18 and 57,193.94
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Solution
The fourth proportional to 83,437.94, 124,938.18 and 57,193.94 is: 85,640.98
Step by Step Solution
- Step 1: Write the proportion equation
83,437.94 : 124,938.18 = 57,193.94 : x - Step 2: Convert to fraction form
83,437.94/124,938.18 = 57,193.94/x - Step 3: Cross multiply
83,437.94x = 124,938.18 × 57,193.94 - Step 4: Simplify right side
83,437.94x = 7,145,706,145.94 - Step 5: Solve for x
x = 7,145,706,145.94/83,437.94 - Step 6: Final answer
x = 85,640.98
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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.