Finding the Fourth Proportional to 71,140.41, 106,775.19 and 37,888.65
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Solution
The fourth proportional to 71,140.41, 106,775.19 and 37,888.65 is: 56,867.37
Step by Step Solution
- Step 1: Write the proportion equation
71,140.41 : 106,775.19 = 37,888.65 : x - Step 2: Convert to fraction form
71,140.41/106,775.19 = 37,888.65/x - Step 3: Cross multiply
71,140.41x = 106,775.19 × 37,888.65 - Step 4: Simplify right side
71,140.41x = 4,045,567,802.59 - Step 5: Solve for x
x = 4,045,567,802.59/71,140.41 - Step 6: Final answer
x = 56,867.37
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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.