Finding the Fourth Proportional to 94,390.96, 130,257.84 and 51,949.12
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Solution
The fourth proportional to 94,390.96, 130,257.84 and 51,949.12 is: 71,688.86
Step by Step Solution
- Step 1: Write the proportion equation
94,390.96 : 130,257.84 = 51,949.12 : x - Step 2: Convert to fraction form
94,390.96/130,257.84 = 51,949.12/x - Step 3: Cross multiply
94,390.96x = 130,257.84 × 51,949.12 - Step 4: Simplify right side
94,390.96x = 6,766,780,161.10 - Step 5: Solve for x
x = 6,766,780,161.10/94,390.96 - Step 6: Final answer
x = 71,688.86
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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.