Finding the Fourth Proportional to 76,424.74, 114,657.02 and 29,040.68
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Solution
The fourth proportional to 76,424.74, 114,657.02 and 29,040.68 is: 43,568.59
Step by Step Solution
- Step 1: Write the proportion equation
76,424.74 : 114,657.02 = 29,040.68 : x - Step 2: Convert to fraction form
76,424.74/114,657.02 = 29,040.68/x - Step 3: Cross multiply
76,424.74x = 114,657.02 × 29,040.68 - Step 4: Simplify right side
76,424.74x = 3,329,717,827.57 - Step 5: Solve for x
x = 3,329,717,827.57/76,424.74 - Step 6: Final answer
x = 43,568.59
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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.