Finding the Fourth Proportional to 85,281.18, 127,922.08 and 26,116.60
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Solution
The fourth proportional to 85,281.18, 127,922.08 and 26,116.60 is: 39,174.99
Step by Step Solution
- Step 1: Write the proportion equation
85,281.18 : 127,922.08 = 26,116.60 : x - Step 2: Convert to fraction form
85,281.18/127,922.08 = 26,116.60/x - Step 3: Cross multiply
85,281.18x = 127,922.08 × 26,116.60 - Step 4: Simplify right side
85,281.18x = 3,340,889,794.53 - Step 5: Solve for x
x = 3,340,889,794.53/85,281.18 - Step 6: Final answer
x = 39,174.99
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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.