Finding the Fourth Proportional to 71,844.13, 107,765.88 and 21,924.07
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Solution
The fourth proportional to 71,844.13, 107,765.88 and 21,924.07 is: 32,886.00
Step by Step Solution
- Step 1: Write the proportion equation
71,844.13 : 107,765.88 = 21,924.07 : x - Step 2: Convert to fraction form
71,844.13/107,765.88 = 21,924.07/x - Step 3: Cross multiply
71,844.13x = 107,765.88 × 21,924.07 - Step 4: Simplify right side
71,844.13x = 2,362,666,345.10 - Step 5: Solve for x
x = 2,362,666,345.10/71,844.13 - Step 6: Final answer
x = 32,886.00
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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.