Finding the Fourth Proportional to 87,528.08, 120,775.64 and 49,282.08
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Solution
The fourth proportional to 87,528.08, 120,775.64 and 49,282.08 is: 68,001.89
Step by Step Solution
- Step 1: Write the proportion equation
87,528.08 : 120,775.64 = 49,282.08 : x - Step 2: Convert to fraction form
87,528.08/120,775.64 = 49,282.08/x - Step 3: Cross multiply
87,528.08x = 120,775.64 × 49,282.08 - Step 4: Simplify right side
87,528.08x = 5,952,074,752.53 - Step 5: Solve for x
x = 5,952,074,752.53/87,528.08 - Step 6: Final answer
x = 68,001.89
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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.