Finding the Fourth Proportional to 94,219.96, 130,023.12 and 53,933.50
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Solution
The fourth proportional to 94,219.96, 130,023.12 and 53,933.50 is: 74,427.99
Step by Step Solution
- Step 1: Write the proportion equation
94,219.96 : 130,023.12 = 53,933.50 : x - Step 2: Convert to fraction form
94,219.96/130,023.12 = 53,933.50/x - Step 3: Cross multiply
94,219.96x = 130,023.12 × 53,933.50 - Step 4: Simplify right side
94,219.96x = 7,012,601,942.52 - Step 5: Solve for x
x = 7,012,601,942.52/94,219.96 - Step 6: Final answer
x = 74,427.99
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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.