Finding the Fourth Proportional to 93,692.79, 129,299.36 and 53,400.05
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Solution
The fourth proportional to 93,692.79, 129,299.36 and 53,400.05 is: 73,693.95
Step by Step Solution
- Step 1: Write the proportion equation
93,692.79 : 129,299.36 = 53,400.05 : x - Step 2: Convert to fraction form
93,692.79/129,299.36 = 53,400.05/x - Step 3: Cross multiply
93,692.79x = 129,299.36 × 53,400.05 - Step 4: Simplify right side
93,692.79x = 6,904,591,375.47 - Step 5: Solve for x
x = 6,904,591,375.47/93,692.79 - Step 6: Final answer
x = 73,693.95
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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.