Finding the Fourth Proportional to 74,239.66, 102,449.48 and 41,973.75
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Solution
The fourth proportional to 74,239.66, 102,449.48 and 41,973.75 is: 57,923.06
Step by Step Solution
- Step 1: Write the proportion equation
74,239.66 : 102,449.48 = 41,973.75 : x - Step 2: Convert to fraction form
74,239.66/102,449.48 = 41,973.75/x - Step 3: Cross multiply
74,239.66x = 102,449.48 × 41,973.75 - Step 4: Simplify right side
74,239.66x = 4,300,188,651.28 - Step 5: Solve for x
x = 4,300,188,651.28/74,239.66 - Step 6: Final answer
x = 57,923.06
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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.