Finding the Fourth Proportional to 75,681.56, 104,435.97 and 43,844.96
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Solution
The fourth proportional to 75,681.56, 104,435.97 and 43,844.96 is: 60,503.39
Step by Step Solution
- Step 1: Write the proportion equation
75,681.56 : 104,435.97 = 43,844.96 : x - Step 2: Convert to fraction form
75,681.56/104,435.97 = 43,844.96/x - Step 3: Cross multiply
75,681.56x = 104,435.97 × 43,844.96 - Step 4: Simplify right side
75,681.56x = 4,578,990,927.21 - Step 5: Solve for x
x = 4,578,990,927.21/75,681.56 - Step 6: Final answer
x = 60,503.39
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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.