Finding the Fourth Proportional to 94,817.20, 130,842.48 and 59,006.08
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Solution
The fourth proportional to 94,817.20, 130,842.48 and 59,006.08 is: 81,425.12
Step by Step Solution
- Step 1: Write the proportion equation
94,817.20 : 130,842.48 = 59,006.08 : x - Step 2: Convert to fraction form
94,817.20/130,842.48 = 59,006.08/x - Step 3: Cross multiply
94,817.20x = 130,842.48 × 59,006.08 - Step 4: Simplify right side
94,817.20x = 7,720,501,842.28 - Step 5: Solve for x
x = 7,720,501,842.28/94,817.20 - Step 6: Final answer
x = 81,425.12
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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.