Finding the Fourth Proportional to 92,560.44, 138,840.66 and 22,439.75
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Solution
The fourth proportional to 92,560.44, 138,840.66 and 22,439.75 is: 33,659.63
Step by Step Solution
- Step 1: Write the proportion equation
92,560.44 : 138,840.66 = 22,439.75 : x - Step 2: Convert to fraction form
92,560.44/138,840.66 = 22,439.75/x - Step 3: Cross multiply
92,560.44x = 138,840.66 × 22,439.75 - Step 4: Simplify right side
92,560.44x = 3,115,549,700.24 - Step 5: Solve for x
x = 3,115,549,700.24/92,560.44 - Step 6: Final answer
x = 33,659.63
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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.