Finding the Fourth Proportional to 93,780.69, 140,692.97 and 27,222.09
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Solution
The fourth proportional to 93,780.69, 140,692.97 and 27,222.09 is: 40,839.50
Step by Step Solution
- Step 1: Write the proportion equation
93,780.69 : 140,692.97 = 27,222.09 : x - Step 2: Convert to fraction form
93,780.69/140,692.97 = 27,222.09/x - Step 3: Cross multiply
93,780.69x = 140,692.97 × 27,222.09 - Step 4: Simplify right side
93,780.69x = 3,829,956,691.71 - Step 5: Solve for x
x = 3,829,956,691.71/93,780.69 - Step 6: Final answer
x = 40,839.50
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1.5x scale
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.