Finding the Fourth Proportional to 75,507.36, 104,205.57 and 45,293.94
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Solution
The fourth proportional to 75,507.36, 104,205.57 and 45,293.94 is: 62,508.88
Step by Step Solution
- Step 1: Write the proportion equation
75,507.36 : 104,205.57 = 45,293.94 : x - Step 2: Convert to fraction form
75,507.36/104,205.57 = 45,293.94/x - Step 3: Cross multiply
75,507.36x = 104,205.57 × 45,293.94 - Step 4: Simplify right side
75,507.36x = 4,719,880,835.25 - Step 5: Solve for x
x = 4,719,880,835.25/75,507.36 - Step 6: Final answer
x = 62,508.88
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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.