Finding the Fourth Proportional to 85,760.10, 118,350.18 and 48,034.62
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Solution
The fourth proportional to 85,760.10, 118,350.18 and 48,034.62 is: 66,288.47
Step by Step Solution
- Step 1: Write the proportion equation
85,760.10 : 118,350.18 = 48,034.62 : x - Step 2: Convert to fraction form
85,760.10/118,350.18 = 48,034.62/x - Step 3: Cross multiply
85,760.10x = 118,350.18 × 48,034.62 - Step 4: Simplify right side
85,760.10x = 5,684,905,923.23 - Step 5: Solve for x
x = 5,684,905,923.23/85,760.10 - Step 6: Final answer
x = 66,288.47
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1.5x scale
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.