Finding the Fourth Proportional to 73,525.68, 101,465.10 and 39,991.68
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Solution
The fourth proportional to 73,525.68, 101,465.10 and 39,991.68 is: 55,188.33
Step by Step Solution
- Step 1: Write the proportion equation
73,525.68 : 101,465.10 = 39,991.68 : x - Step 2: Convert to fraction form
73,525.68/101,465.10 = 39,991.68/x - Step 3: Cross multiply
73,525.68x = 101,465.10 × 39,991.68 - Step 4: Simplify right side
73,525.68x = 4,057,759,810.37 - Step 5: Solve for x
x = 4,057,759,810.37/73,525.68 - Step 6: Final answer
x = 55,188.33
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1.5x scale
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.