Finding the Fourth Proportional to 94,876.29, 130,989.66 and 59,118.84
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Solution
The fourth proportional to 94,876.29, 130,989.66 and 59,118.84 is: 81,621.62
Step by Step Solution
- Step 1: Write the proportion equation
94,876.29 : 130,989.66 = 59,118.84 : x - Step 2: Convert to fraction form
94,876.29/130,989.66 = 59,118.84/x - Step 3: Cross multiply
94,876.29x = 130,989.66 × 59,118.84 - Step 4: Simplify right side
94,876.29x = 7,743,956,751.19 - Step 5: Solve for x
x = 7,743,956,751.19/94,876.29 - Step 6: Final answer
x = 81,621.62
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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.