Finding the Fourth Proportional to 73,637.44, 101,619.68 and 40,103.44
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Solution
The fourth proportional to 73,637.44, 101,619.68 and 40,103.44 is: 55,342.75
Step by Step Solution
- Step 1: Write the proportion equation
73,637.44 : 101,619.68 = 40,103.44 : x - Step 2: Convert to fraction form
73,637.44/101,619.68 = 40,103.44/x - Step 3: Cross multiply
73,637.44x = 101,619.68 × 40,103.44 - Step 4: Simplify right side
73,637.44x = 4,075,298,285.13 - Step 5: Solve for x
x = 4,075,298,285.13/73,637.44 - Step 6: Final answer
x = 55,342.75
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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.