Finding the Fourth Proportional to 83,267.29, 114,919.81 and 47,449.09
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Solution
The fourth proportional to 83,267.29, 114,919.81 and 47,449.09 is: 65,485.99
Step by Step Solution
- Step 1: Write the proportion equation
83,267.29 : 114,919.81 = 47,449.09 : x - Step 2: Convert to fraction form
83,267.29/114,919.81 = 47,449.09/x - Step 3: Cross multiply
83,267.29x = 114,919.81 × 47,449.09 - Step 4: Simplify right side
83,267.29x = 5,452,840,699.40 - Step 5: Solve for x
x = 5,452,840,699.40/83,267.29 - Step 6: Final answer
x = 65,485.99
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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.