Finding the Fourth Proportional to 99,303.13, 148,964.42 and 32,716.09
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Solution
The fourth proportional to 99,303.13, 148,964.42 and 32,716.09 is: 49,077.34
Step by Step Solution
- Step 1: Write the proportion equation
99,303.13 : 148,964.42 = 32,716.09 : x - Step 2: Convert to fraction form
99,303.13/148,964.42 = 32,716.09/x - Step 3: Cross multiply
99,303.13x = 148,964.42 × 32,716.09 - Step 4: Simplify right side
99,303.13x = 4,873,533,371.52 - Step 5: Solve for x
x = 4,873,533,371.52/99,303.13 - Step 6: Final answer
x = 49,077.34
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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.