Finding the Fourth Proportional to 96,692.36, 133,432.88 and 53,671.73
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Solution
The fourth proportional to 96,692.36, 133,432.88 and 53,671.73 is: 74,065.55
Step by Step Solution
- Step 1: Write the proportion equation
96,692.36 : 133,432.88 = 53,671.73 : x - Step 2: Convert to fraction form
96,692.36/133,432.88 = 53,671.73/x - Step 3: Cross multiply
96,692.36x = 133,432.88 × 53,671.73 - Step 4: Simplify right side
96,692.36x = 7,161,572,572.96 - Step 5: Solve for x
x = 7,161,572,572.96/96,692.36 - Step 6: Final answer
x = 74,065.55
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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.