Finding the Fourth Proportional to 83,036.84, 114,590.77 and 45,311.09
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Solution
The fourth proportional to 83,036.84, 114,590.77 and 45,311.09 is: 62,529.26
Step by Step Solution
- Step 1: Write the proportion equation
83,036.84 : 114,590.77 = 45,311.09 : x - Step 2: Convert to fraction form
83,036.84/114,590.77 = 45,311.09/x - Step 3: Cross multiply
83,036.84x = 114,590.77 × 45,311.09 - Step 4: Simplify right side
83,036.84x = 5,192,231,893.13 - Step 5: Solve for x
x = 5,192,231,893.13/83,036.84 - Step 6: Final answer
x = 62,529.26
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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.