Finding the Fourth Proportional to 73,477.13, 101,399.24 and 39,943.13
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Solution
The fourth proportional to 73,477.13, 101,399.24 and 39,943.13 is: 55,121.95
Step by Step Solution
- Step 1: Write the proportion equation
73,477.13 : 101,399.24 = 39,943.13 : x - Step 2: Convert to fraction form
73,477.13/101,399.24 = 39,943.13/x - Step 3: Cross multiply
73,477.13x = 101,399.24 × 39,943.13 - Step 4: Simplify right side
73,477.13x = 4,050,202,618.08 - Step 5: Solve for x
x = 4,050,202,618.08/73,477.13 - Step 6: Final answer
x = 55,121.95
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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.