Finding the Fourth Proportional to 107,128.35, 160,627.72 and 47,952.99
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Solution
The fourth proportional to 107,128.35, 160,627.72 and 47,952.99 is: 71,900.48
Step by Step Solution
- Step 1: Write the proportion equation
107,128.35 : 160,627.72 = 47,952.99 : x - Step 2: Convert to fraction form
107,128.35/160,627.72 = 47,952.99/x - Step 3: Cross multiply
107,128.35x = 160,627.72 × 47,952.99 - Step 4: Simplify right side
107,128.35x = 7,702,579,450.88 - Step 5: Solve for x
x = 7,702,579,450.88/107,128.35 - Step 6: Final answer
x = 71,900.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.