Finding the Fourth Proportional to 63,541.40, 87,509.58 and 62,163.88
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Solution
The fourth proportional to 63,541.40, 87,509.58 and 62,163.88 is: 85,612.45
Step by Step Solution
- Step 1: Write the proportion equation
63,541.40 : 87,509.58 = 62,163.88 : x - Step 2: Convert to fraction form
63,541.40/87,509.58 = 62,163.88/x - Step 3: Cross multiply
63,541.40x = 87,509.58 × 62,163.88 - Step 4: Simplify right side
63,541.40x = 5,439,935,029.97 - Step 5: Solve for x
x = 5,439,935,029.97/63,541.40 - Step 6: Final answer
x = 85,612.45
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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.