Finding the Fourth Proportional to 87,880.02, 121,273.74 and 47,592.84
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Solution
The fourth proportional to 87,880.02, 121,273.74 and 47,592.84 is: 65,677.75
Step by Step Solution
- Step 1: Write the proportion equation
87,880.02 : 121,273.74 = 47,592.84 : x - Step 2: Convert to fraction form
87,880.02/121,273.74 = 47,592.84/x - Step 3: Cross multiply
87,880.02x = 121,273.74 × 47,592.84 - Step 4: Simplify right side
87,880.02x = 5,771,762,158.80 - Step 5: Solve for x
x = 5,771,762,158.80/87,880.02 - Step 6: Final answer
x = 65,677.75
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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.