Finding the Fourth Proportional to 99,293.26, 137,027.36 and 53,974.29
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Solution
The fourth proportional to 99,293.26, 137,027.36 and 53,974.29 is: 74,485.96
Step by Step Solution
- Step 1: Write the proportion equation
99,293.26 : 137,027.36 = 53,974.29 : x - Step 2: Convert to fraction form
99,293.26/137,027.36 = 53,974.29/x - Step 3: Cross multiply
99,293.26x = 137,027.36 × 53,974.29 - Step 4: Simplify right side
99,293.26x = 7,395,953,924.19 - Step 5: Solve for x
x = 7,395,953,924.19/99,293.26 - Step 6: Final answer
x = 74,485.96
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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.