Finding the Fourth Proportional to 122,543.07, 183,825.96 and 47,668.92
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Solution
The fourth proportional to 122,543.07, 183,825.96 and 47,668.92 is: 71,507.80
Step by Step Solution
- Step 1: Write the proportion equation
122,543.07 : 183,825.96 = 47,668.92 : x - Step 2: Convert to fraction form
122,543.07/183,825.96 = 47,668.92/x - Step 3: Cross multiply
122,543.07x = 183,825.96 × 47,668.92 - Step 4: Simplify right side
122,543.07x = 8,762,784,981.16 - Step 5: Solve for x
x = 8,762,784,981.16/122,543.07 - Step 6: Final answer
x = 71,507.80
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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.