Finding the Fourth Proportional to 68,194.13, 102,291.18 and 26,078.48
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Solution
The fourth proportional to 68,194.13, 102,291.18 and 26,078.48 is: 39,117.71
Step by Step Solution
- Step 1: Write the proportion equation
68,194.13 : 102,291.18 = 26,078.48 : x - Step 2: Convert to fraction form
68,194.13/102,291.18 = 26,078.48/x - Step 3: Cross multiply
68,194.13x = 102,291.18 × 26,078.48 - Step 4: Simplify right side
68,194.13x = 2,667,598,491.81 - Step 5: Solve for x
x = 2,667,598,491.81/68,194.13 - Step 6: Final answer
x = 39,117.71
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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.