Finding the Fourth Proportional to 88,720.55, 132,970.11 and 44,359.99
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Solution
The fourth proportional to 88,720.55, 132,970.11 and 44,359.99 is: 66,484.63
Step by Step Solution
- Step 1: Write the proportion equation
88,720.55 : 132,970.11 = 44,359.99 : x - Step 2: Convert to fraction form
88,720.55/132,970.11 = 44,359.99/x - Step 3: Cross multiply
88,720.55x = 132,970.11 × 44,359.99 - Step 4: Simplify right side
88,720.55x = 5,898,553,092.81 - Step 5: Solve for x
x = 5,898,553,092.81/88,720.55 - Step 6: Final answer
x = 66,484.63
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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.