Finding the Fourth Proportional to 91,010.56, 125,600.88 and 55,202.08
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Solution
The fourth proportional to 91,010.56, 125,600.88 and 55,202.08 is: 76,182.70
Step by Step Solution
- Step 1: Write the proportion equation
91,010.56 : 125,600.88 = 55,202.08 : x - Step 2: Convert to fraction form
91,010.56/125,600.88 = 55,202.08/x - Step 3: Cross multiply
91,010.56x = 125,600.88 × 55,202.08 - Step 4: Simplify right side
91,010.56x = 6,933,429,825.83 - Step 5: Solve for x
x = 6,933,429,825.83/91,010.56 - Step 6: Final answer
x = 76,182.70
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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.