Finding the Fourth Proportional to 87,787.01, 121,145.69 and 47,501.49
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Solution
The fourth proportional to 87,787.01, 121,145.69 and 47,501.49 is: 65,551.85
Step by Step Solution
- Step 1: Write the proportion equation
87,787.01 : 121,145.69 = 47,501.49 : x - Step 2: Convert to fraction form
87,787.01/121,145.69 = 47,501.49/x - Step 3: Cross multiply
87,787.01x = 121,145.69 × 47,501.49 - Step 4: Simplify right side
87,787.01x = 5,754,600,544.57 - Step 5: Solve for x
x = 5,754,600,544.57/87,787.01 - Step 6: Final answer
x = 65,551.85
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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.