Finding the Fourth Proportional to 84,182.63, 116,226.68 and 65,029.05
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Solution
The fourth proportional to 84,182.63, 116,226.68 and 65,029.05 is: 89,782.31
Step by Step Solution
- Step 1: Write the proportion equation
84,182.63 : 116,226.68 = 65,029.05 : x - Step 2: Convert to fraction form
84,182.63/116,226.68 = 65,029.05/x - Step 3: Cross multiply
84,182.63x = 116,226.68 × 65,029.05 - Step 4: Simplify right side
84,182.63x = 7,558,110,259.91 - Step 5: Solve for x
x = 7,558,110,259.91/84,182.63 - Step 6: Final answer
x = 89,782.31
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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.