Finding the Fourth Proportional to 94,312.84, 130,155.84 and 51,872.92
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Solution
The fourth proportional to 94,312.84, 130,155.84 and 51,872.92 is: 71,586.90
Step by Step Solution
- Step 1: Write the proportion equation
94,312.84 : 130,155.84 = 51,872.92 : x - Step 2: Convert to fraction form
94,312.84/130,155.84 = 51,872.92/x - Step 3: Cross multiply
94,312.84x = 130,155.84 × 51,872.92 - Step 4: Simplify right side
94,312.84x = 6,751,563,475.85 - Step 5: Solve for x
x = 6,751,563,475.85/94,312.84 - Step 6: Final answer
x = 71,586.90
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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.