Finding the Fourth Proportional to 75,762.99, 104,565.24 and 45,578.81
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Solution
The fourth proportional to 75,762.99, 104,565.24 and 45,578.81 is: 62,906.17
Step by Step Solution
- Step 1: Write the proportion equation
75,762.99 : 104,565.24 = 45,578.81 : x - Step 2: Convert to fraction form
75,762.99/104,565.24 = 45,578.81/x - Step 3: Cross multiply
75,762.99x = 104,565.24 × 45,578.81 - Step 4: Simplify right side
75,762.99x = 4,765,959,467.98 - Step 5: Solve for x
x = 4,765,959,467.98/75,762.99 - Step 6: Final answer
x = 62,906.17
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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.