Finding the Fourth Proportional to 77,324.30, 106,758.94 and 59,387.26
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Solution
The fourth proportional to 77,324.30, 106,758.94 and 59,387.26 is: 81,993.90
Step by Step Solution
- Step 1: Write the proportion equation
77,324.30 : 106,758.94 = 59,387.26 : x - Step 2: Convert to fraction form
77,324.30/106,758.94 = 59,387.26/x - Step 3: Cross multiply
77,324.30x = 106,758.94 × 59,387.26 - Step 4: Simplify right side
77,324.30x = 6,340,120,927.10 - Step 5: Solve for x
x = 6,340,120,927.10/77,324.30 - Step 6: Final answer
x = 81,993.90
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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.