Finding the Fourth Proportional to 107,157.53, 147,879.07 and 58,763.88
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Solution
The fourth proportional to 107,157.53, 147,879.07 and 58,763.88 is: 81,095.07
Step by Step Solution
- Step 1: Write the proportion equation
107,157.53 : 147,879.07 = 58,763.88 : x - Step 2: Convert to fraction form
107,157.53/147,879.07 = 58,763.88/x - Step 3: Cross multiply
107,157.53x = 147,879.07 × 58,763.88 - Step 4: Simplify right side
107,157.53x = 8,689,947,777.08 - Step 5: Solve for x
x = 8,689,947,777.08/107,157.53 - Step 6: Final answer
x = 81,095.07
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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.