Finding the Fourth Proportional to 73,458.88, 101,374.40 and 39,924.96
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Solution
The fourth proportional to 73,458.88, 101,374.40 and 39,924.96 is: 55,097.07
Step by Step Solution
- Step 1: Write the proportion equation
73,458.88 : 101,374.40 = 39,924.96 : x - Step 2: Convert to fraction form
73,458.88/101,374.40 = 39,924.96/x - Step 3: Cross multiply
73,458.88x = 101,374.40 × 39,924.96 - Step 4: Simplify right side
73,458.88x = 4,047,368,865.02 - Step 5: Solve for x
x = 4,047,368,865.02/73,458.88 - Step 6: Final answer
x = 55,097.07
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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.