Finding the Fourth Proportional to 84,698.87, 116,871.00 and 48,882.18
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Solution
The fourth proportional to 84,698.87, 116,871.00 and 48,882.18 is: 67,449.66
Step by Step Solution
- Step 1: Write the proportion equation
84,698.87 : 116,871.00 = 48,882.18 : x - Step 2: Convert to fraction form
84,698.87/116,871.00 = 48,882.18/x - Step 3: Cross multiply
84,698.87x = 116,871.00 × 48,882.18 - Step 4: Simplify right side
84,698.87x = 5,712,909,788.70 - Step 5: Solve for x
x = 5,712,909,788.70/84,698.87 - Step 6: Final answer
x = 67,449.66
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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.