Finding the Fourth Proportional to 74,895.94, 103,324.29 and 43,058.08
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Solution
The fourth proportional to 74,895.94, 103,324.29 and 43,058.08 is: 59,401.69
Step by Step Solution
- Step 1: Write the proportion equation
74,895.94 : 103,324.29 = 43,058.08 : x - Step 2: Convert to fraction form
74,895.94/103,324.29 = 43,058.08/x - Step 3: Cross multiply
74,895.94x = 103,324.29 × 43,058.08 - Step 4: Simplify right side
74,895.94x = 4,448,945,028.14 - Step 5: Solve for x
x = 4,448,945,028.14/74,895.94 - Step 6: Final answer
x = 59,401.69
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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.