Finding the Fourth Proportional to 85,294.24, 127,941.36 and 26,129.68
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Solution
The fourth proportional to 85,294.24, 127,941.36 and 26,129.68 is: 39,194.52
Step by Step Solution
- Step 1: Write the proportion equation
85,294.24 : 127,941.36 = 26,129.68 : x - Step 2: Convert to fraction form
85,294.24/127,941.36 = 26,129.68/x - Step 3: Cross multiply
85,294.24x = 127,941.36 × 26,129.68 - Step 4: Simplify right side
85,294.24x = 3,343,066,795.56 - Step 5: Solve for x
x = 3,343,066,795.56/85,294.24 - Step 6: Final answer
x = 39,194.52
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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.