Finding the Fourth Proportional to 85,816.27, 118,423.24 and 48,088.09
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Solution
The fourth proportional to 85,816.27, 118,423.24 and 48,088.09 is: 66,359.76
Step by Step Solution
- Step 1: Write the proportion equation
85,816.27 : 118,423.24 = 48,088.09 : x - Step 2: Convert to fraction form
85,816.27/118,423.24 = 48,088.09/x - Step 3: Cross multiply
85,816.27x = 118,423.24 × 48,088.09 - Step 4: Simplify right side
85,816.27x = 5,694,747,423.21 - Step 5: Solve for x
x = 5,694,747,423.21/85,816.27 - Step 6: Final answer
x = 66,359.76
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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.