Finding the Fourth Proportional to 94,873.36, 130,917.36 and 52,431.88
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Solution
The fourth proportional to 94,873.36, 130,917.36 and 52,431.88 is: 72,351.64
Step by Step Solution
- Step 1: Write the proportion equation
94,873.36 : 130,917.36 = 52,431.88 : x - Step 2: Convert to fraction form
94,873.36/130,917.36 = 52,431.88/x - Step 3: Cross multiply
94,873.36x = 130,917.36 × 52,431.88 - Step 4: Simplify right side
94,873.36x = 6,864,243,309.44 - Step 5: Solve for x
x = 6,864,243,309.44/94,873.36 - Step 6: Final answer
x = 72,351.64
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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.