Finding the Fourth Proportional to 83,496.24, 115,225.80 and 45,769.68
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Solution
The fourth proportional to 83,496.24, 115,225.80 and 45,769.68 is: 63,162.70
Step by Step Solution
- Step 1: Write the proportion equation
83,496.24 : 115,225.80 = 45,769.68 : x - Step 2: Convert to fraction form
83,496.24/115,225.80 = 45,769.68/x - Step 3: Cross multiply
83,496.24x = 115,225.80 × 45,769.68 - Step 4: Simplify right side
83,496.24x = 5,273,847,993.74 - Step 5: Solve for x
x = 5,273,847,993.74/83,496.24 - Step 6: Final answer
x = 63,162.70
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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.