Finding the Fourth Proportional to 94,722.62, 130,660.49 and 69,197.79
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Solution
The fourth proportional to 94,722.62, 130,660.49 and 69,197.79 is: 95,451.52
Step by Step Solution
- Step 1: Write the proportion equation
94,722.62 : 130,660.49 = 69,197.79 : x - Step 2: Convert to fraction form
94,722.62/130,660.49 = 69,197.79/x - Step 3: Cross multiply
94,722.62x = 130,660.49 × 69,197.79 - Step 4: Simplify right side
94,722.62x = 9,041,417,811.29 - Step 5: Solve for x
x = 9,041,417,811.29/94,722.62 - Step 6: Final answer
x = 95,451.52
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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.