Finding the Fourth Proportional to 94,861.80, 130,908.24 and 52,417.80
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Solution
The fourth proportional to 94,861.80, 130,908.24 and 52,417.80 is: 72,335.99
Step by Step Solution
- Step 1: Write the proportion equation
94,861.80 : 130,908.24 = 52,417.80 : x - Step 2: Convert to fraction form
94,861.80/130,908.24 = 52,417.80/x - Step 3: Cross multiply
94,861.80x = 130,908.24 × 52,417.80 - Step 4: Simplify right side
94,861.80x = 6,861,921,942.67 - Step 5: Solve for x
x = 6,861,921,942.67/94,861.80 - Step 6: Final answer
x = 72,335.99
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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.