Finding the Fourth Proportional to 85,261.44, 127,840.64 and 33,977.99
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Solution
The fourth proportional to 85,261.44, 127,840.64 and 33,977.99 is: 50,946.45
Step by Step Solution
- Step 1: Write the proportion equation
85,261.44 : 127,840.64 = 33,977.99 : x - Step 2: Convert to fraction form
85,261.44/127,840.64 = 33,977.99/x - Step 3: Cross multiply
85,261.44x = 127,840.64 × 33,977.99 - Step 4: Simplify right side
85,261.44x = 4,343,767,987.51 - Step 5: Solve for x
x = 4,343,767,987.51/85,261.44 - Step 6: Final answer
x = 50,946.45
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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.