Finding the Fourth Proportional to 73,416.06, 101,312.64 and 39,882.06
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Solution
The fourth proportional to 73,416.06, 101,312.64 and 39,882.06 is: 55,036.42
Step by Step Solution
- Step 1: Write the proportion equation
73,416.06 : 101,312.64 = 39,882.06 : x - Step 2: Convert to fraction form
73,416.06/101,312.64 = 39,882.06/x - Step 3: Cross multiply
73,416.06x = 101,312.64 × 39,882.06 - Step 4: Simplify right side
73,416.06x = 4,040,556,787.24 - Step 5: Solve for x
x = 4,040,556,787.24/73,416.06 - Step 6: Final answer
x = 55,036.42
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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.