Finding the Fourth Proportional to 85,407.14, 127,936.67 and 51,652.62
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Solution
The fourth proportional to 85,407.14, 127,936.67 and 51,652.62 is: 77,373.67
Step by Step Solution
- Step 1: Write the proportion equation
85,407.14 : 127,936.67 = 51,652.62 : x - Step 2: Convert to fraction form
85,407.14/127,936.67 = 51,652.62/x - Step 3: Cross multiply
85,407.14x = 127,936.67 × 51,652.62 - Step 4: Simplify right side
85,407.14x = 6,608,263,941.31 - Step 5: Solve for x
x = 6,608,263,941.31/85,407.14 - Step 6: Final answer
x = 77,373.67
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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.