Finding the Fourth Proportional to 75,995.36, 104,762.37 and 53,265.74
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Solution
The fourth proportional to 75,995.36, 104,762.37 and 53,265.74 is: 73,428.76
Step by Step Solution
- Step 1: Write the proportion equation
75,995.36 : 104,762.37 = 53,265.74 : x - Step 2: Convert to fraction form
75,995.36/104,762.37 = 53,265.74/x - Step 3: Cross multiply
75,995.36x = 104,762.37 × 53,265.74 - Step 4: Simplify right side
75,995.36x = 5,580,245,162.20 - Step 5: Solve for x
x = 5,580,245,162.20/75,995.36 - Step 6: Final answer
x = 73,428.76
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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.