Finding the Fourth Proportional to 76,034.62, 104,923.50 and 42,041.08
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Solution
The fourth proportional to 76,034.62, 104,923.50 and 42,041.08 is: 58,014.33
Step by Step Solution
- Step 1: Write the proportion equation
76,034.62 : 104,923.50 = 42,041.08 : x - Step 2: Convert to fraction form
76,034.62/104,923.50 = 42,041.08/x - Step 3: Cross multiply
76,034.62x = 104,923.50 × 42,041.08 - Step 4: Simplify right side
76,034.62x = 4,411,097,257.38 - Step 5: Solve for x
x = 4,411,097,257.38/76,034.62 - Step 6: Final answer
x = 58,014.33
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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.