Finding the Fourth Proportional to 77,026.38, 115,599.69 and 39,584.94
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Solution
The fourth proportional to 77,026.38, 115,599.69 and 39,584.94 is: 59,408.31
Step by Step Solution
- Step 1: Write the proportion equation
77,026.38 : 115,599.69 = 39,584.94 : x - Step 2: Convert to fraction form
77,026.38/115,599.69 = 39,584.94/x - Step 3: Cross multiply
77,026.38x = 115,599.69 × 39,584.94 - Step 4: Simplify right side
77,026.38x = 4,576,006,792.67 - Step 5: Solve for x
x = 4,576,006,792.67/77,026.38 - Step 6: Final answer
x = 59,408.31
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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.