Finding the Fourth Proportional to 84,044.16, 125,934.75 and 71,512.65
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Solution
The fourth proportional to 84,044.16, 125,934.75 and 71,512.65 is: 107,157.09
Step by Step Solution
- Step 1: Write the proportion equation
84,044.16 : 125,934.75 = 71,512.65 : x - Step 2: Convert to fraction form
84,044.16/125,934.75 = 71,512.65/x - Step 3: Cross multiply
84,044.16x = 125,934.75 × 71,512.65 - Step 4: Simplify right side
84,044.16x = 9,005,927,699.59 - Step 5: Solve for x
x = 9,005,927,699.59/84,044.16 - Step 6: Final answer
x = 107,157.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.