Finding the Fourth Proportional to 74,485.52, 111,731.70 and 24,569.99
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Solution
The fourth proportional to 74,485.52, 111,731.70 and 24,569.99 is: 36,856.11
Step by Step Solution
- Step 1: Write the proportion equation
74,485.52 : 111,731.70 = 24,569.99 : x - Step 2: Convert to fraction form
74,485.52/111,731.70 = 24,569.99/x - Step 3: Cross multiply
74,485.52x = 111,731.70 × 24,569.99 - Step 4: Simplify right side
74,485.52x = 2,745,246,193.02 - Step 5: Solve for x
x = 2,745,246,193.02/74,485.52 - Step 6: Final answer
x = 36,856.11
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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.