Finding the Fourth Proportional to 93,086.70, 139,635.45 and 26,531.70
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Solution
The fourth proportional to 93,086.70, 139,635.45 and 26,531.70 is: 39,799.09
Step by Step Solution
- Step 1: Write the proportion equation
93,086.70 : 139,635.45 = 26,531.70 : x - Step 2: Convert to fraction form
93,086.70/139,635.45 = 26,531.70/x - Step 3: Cross multiply
93,086.70x = 139,635.45 × 26,531.70 - Step 4: Simplify right side
93,086.70x = 3,704,765,868.77 - Step 5: Solve for x
x = 3,704,765,868.77/93,086.70 - Step 6: Final answer
x = 39,799.09
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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.