Finding the Fourth Proportional to 86,022.50, 118,711.05 and 48,296.75
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Solution
The fourth proportional to 86,022.50, 118,711.05 and 48,296.75 is: 66,649.52
Step by Step Solution
- Step 1: Write the proportion equation
86,022.50 : 118,711.05 = 48,296.75 : x - Step 2: Convert to fraction form
86,022.50/118,711.05 = 48,296.75/x - Step 3: Cross multiply
86,022.50x = 118,711.05 × 48,296.75 - Step 4: Simplify right side
86,022.50x = 5,733,357,904.09 - Step 5: Solve for x
x = 5,733,357,904.09/86,022.50 - Step 6: Final answer
x = 66,649.52
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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.