Finding the Fourth Proportional to 83,548.55, 115,338.99 and 54,490.07
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Solution
The fourth proportional to 83,548.55, 115,338.99 and 54,490.07 is: 75,223.68
Step by Step Solution
- Step 1: Write the proportion equation
83,548.55 : 115,338.99 = 54,490.07 : x - Step 2: Convert to fraction form
83,548.55/115,338.99 = 54,490.07/x - Step 3: Cross multiply
83,548.55x = 115,338.99 × 54,490.07 - Step 4: Simplify right side
83,548.55x = 6,284,829,062.13 - Step 5: Solve for x
x = 6,284,829,062.13/83,548.55 - Step 6: Final answer
x = 75,223.68
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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.