Finding the Fourth Proportional to 103,863.24, 143,334.06 and 63,576.26
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Solution
The fourth proportional to 103,863.24, 143,334.06 and 63,576.26 is: 87,736.95
Step by Step Solution
- Step 1: Write the proportion equation
103,863.24 : 143,334.06 = 63,576.26 : x - Step 2: Convert to fraction form
103,863.24/143,334.06 = 63,576.26/x - Step 3: Cross multiply
103,863.24x = 143,334.06 × 63,576.26 - Step 4: Simplify right side
103,863.24x = 9,112,643,465.42 - Step 5: Solve for x
x = 9,112,643,465.42/103,863.24 - Step 6: Final answer
x = 87,736.95
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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.