Finding the Fourth Proportional to 75,349.08, 113,034.60 and 22,762.80
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Solution
The fourth proportional to 75,349.08, 113,034.60 and 22,762.80 is: 34,147.52
Step by Step Solution
- Step 1: Write the proportion equation
75,349.08 : 113,034.60 = 22,762.80 : x - Step 2: Convert to fraction form
75,349.08/113,034.60 = 22,762.80/x - Step 3: Cross multiply
75,349.08x = 113,034.60 × 22,762.80 - Step 4: Simplify right side
75,349.08x = 2,572,983,992.88 - Step 5: Solve for x
x = 2,572,983,992.88/75,349.08 - Step 6: Final answer
x = 34,147.52
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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.