Finding the Fourth Proportional to 93,778.71, 140,668.11 and 41,188.65
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Solution
The fourth proportional to 93,778.71, 140,668.11 and 41,188.65 is: 61,782.99
Step by Step Solution
- Step 1: Write the proportion equation
93,778.71 : 140,668.11 = 41,188.65 : x - Step 2: Convert to fraction form
93,778.71/140,668.11 = 41,188.65/x - Step 3: Cross multiply
93,778.71x = 140,668.11 × 41,188.65 - Step 4: Simplify right side
93,778.71x = 5,793,929,548.95 - Step 5: Solve for x
x = 5,793,929,548.95/93,778.71 - Step 6: Final answer
x = 61,782.99
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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.