Finding the Fourth Proportional to 68,559.48, 102,811.95 and 26,416.31
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Solution
The fourth proportional to 68,559.48, 102,811.95 and 26,416.31 is: 39,613.95
Step by Step Solution
- Step 1: Write the proportion equation
68,559.48 : 102,811.95 = 26,416.31 : x - Step 2: Convert to fraction form
68,559.48/102,811.95 = 26,416.31/x - Step 3: Cross multiply
68,559.48x = 102,811.95 × 26,416.31 - Step 4: Simplify right side
68,559.48x = 2,715,911,828.84 - Step 5: Solve for x
x = 2,715,911,828.84/68,559.48 - Step 6: Final answer
x = 39,613.95
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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.