Finding the Fourth Proportional to 84,027.56, 115,952.82 and 48,220.52
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Solution
The fourth proportional to 84,027.56, 115,952.82 and 48,220.52 is: 66,541.33
Step by Step Solution
- Step 1: Write the proportion equation
84,027.56 : 115,952.82 = 48,220.52 : x - Step 2: Convert to fraction form
84,027.56/115,952.82 = 48,220.52/x - Step 3: Cross multiply
84,027.56x = 115,952.82 × 48,220.52 - Step 4: Simplify right side
84,027.56x = 5,591,305,275.87 - Step 5: Solve for x
x = 5,591,305,275.87/84,027.56 - Step 6: Final answer
x = 66,541.33
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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.