Finding the Fourth Proportional to 91,034.04, 125,620.56 and 50,745.99
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Solution
The fourth proportional to 91,034.04, 125,620.56 and 50,745.99 is: 70,025.89
Step by Step Solution
- Step 1: Write the proportion equation
91,034.04 : 125,620.56 = 50,745.99 : x - Step 2: Convert to fraction form
91,034.04/125,620.56 = 50,745.99/x - Step 3: Cross multiply
91,034.04x = 125,620.56 × 50,745.99 - Step 4: Simplify right side
91,034.04x = 6,374,739,681.55 - Step 5: Solve for x
x = 6,374,739,681.55/91,034.04 - Step 6: Final answer
x = 70,025.89
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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.