Finding the Fourth Proportional to 75,133.44, 103,475.07 and 58,074.84
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Solution
The fourth proportional to 75,133.44, 103,475.07 and 58,074.84 is: 79,981.67
Step by Step Solution
- Step 1: Write the proportion equation
75,133.44 : 103,475.07 = 58,074.84 : x - Step 2: Convert to fraction form
75,133.44/103,475.07 = 58,074.84/x - Step 3: Cross multiply
75,133.44x = 103,475.07 × 58,074.84 - Step 4: Simplify right side
75,133.44x = 6,009,298,134.24 - Step 5: Solve for x
x = 6,009,298,134.24/75,133.44 - Step 6: Final answer
x = 79,981.67
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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.