Finding the Fourth Proportional to 107,029.88, 147,661.58 and 69,324.92
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Solution
The fourth proportional to 107,029.88, 147,661.58 and 69,324.92 is: 95,642.70
Step by Step Solution
- Step 1: Write the proportion equation
107,029.88 : 147,661.58 = 69,324.92 : x - Step 2: Convert to fraction form
107,029.88/147,661.58 = 69,324.92/x - Step 3: Cross multiply
107,029.88x = 147,661.58 × 69,324.92 - Step 4: Simplify right side
107,029.88x = 10,236,627,220.57 - Step 5: Solve for x
x = 10,236,627,220.57/107,029.88 - Step 6: Final answer
x = 95,642.70
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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.