Finding the Fourth Proportional to 73,643.84, 101,629.60 and 40,110.40
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Solution
The fourth proportional to 73,643.84, 101,629.60 and 40,110.40 is: 55,352.95
Step by Step Solution
- Step 1: Write the proportion equation
73,643.84 : 101,629.60 = 40,110.40 : x - Step 2: Convert to fraction form
73,643.84/101,629.60 = 40,110.40/x - Step 3: Cross multiply
73,643.84x = 101,629.60 × 40,110.40 - Step 4: Simplify right side
73,643.84x = 4,076,403,907.84 - Step 5: Solve for x
x = 4,076,403,907.84/73,643.84 - Step 6: Final answer
x = 55,352.95
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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.