Finding the Fourth Proportional to 75,642.42, 104,415.11 and 59,467.53
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Solution
The fourth proportional to 75,642.42, 104,415.11 and 59,467.53 is: 82,087.65
Step by Step Solution
- Step 1: Write the proportion equation
75,642.42 : 104,415.11 = 59,467.53 : x - Step 2: Convert to fraction form
75,642.42/104,415.11 = 59,467.53/x - Step 3: Cross multiply
75,642.42x = 104,415.11 × 59,467.53 - Step 4: Simplify right side
75,642.42x = 6,209,308,389.04 - Step 5: Solve for x
x = 6,209,308,389.04/75,642.42 - Step 6: Final answer
x = 82,087.65
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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.