Finding the Fourth Proportional to 93,739.23, 140,623.50 and 30,544.68
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Solution
The fourth proportional to 93,739.23, 140,623.50 and 30,544.68 is: 45,821.80
Step by Step Solution
- Step 1: Write the proportion equation
93,739.23 : 140,623.50 = 30,544.68 : x - Step 2: Convert to fraction form
93,739.23/140,623.50 = 30,544.68/x - Step 3: Cross multiply
93,739.23x = 140,623.50 × 30,544.68 - Step 4: Simplify right side
93,739.23x = 4,295,299,807.98 - Step 5: Solve for x
x = 4,295,299,807.98/93,739.23 - Step 6: Final answer
x = 45,821.80
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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.