Finding the Fourth Proportional to 75,058.08, 103,571.04 and 43,237.28
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Solution
The fourth proportional to 75,058.08, 103,571.04 and 43,237.28 is: 59,662.20
Step by Step Solution
- Step 1: Write the proportion equation
75,058.08 : 103,571.04 = 43,237.28 : x - Step 2: Convert to fraction form
75,058.08/103,571.04 = 43,237.28/x - Step 3: Cross multiply
75,058.08x = 103,571.04 × 43,237.28 - Step 4: Simplify right side
75,058.08x = 4,478,130,056.37 - Step 5: Solve for x
x = 4,478,130,056.37/75,058.08 - Step 6: Final answer
x = 59,662.20
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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.